This project is an airline booking system developed in Python with MySQL database integration. This project was created for understanding basic MySQL queries.

• Search for flights
• Book tickets
• User registration and login
• View booking history

• passengerinfo: Stores user registration details.
  • Structure:
    • U_ID INT (Primary Key)
    • FULLNAME VARCHAR(255)
    • USER VARCHAR(255)
    • PASSWORD VARCHAR(255)
    • GENDER VARCHAR(1)
    • NATIONALITY VARCHAR(255)
    • DOB DATE
    • PHONE BIGINT
• payment: Stores payment information for booked tickets.
  • Structure:
    • TICKET_NO BIGINT (Primary Key)
    • USER_ID INT
    • CARD_NUMBER BIGINT
    • EXPIRY_DATE DATE
    • TOTAL_FARE DECIMAL(10, 2)
• searchflights: Stores information about available flights.
  • Structure:
    • FLIGHT_NO INT (Primary Key)
    • DATE DATE
    • DEPARTURE VARCHAR(255)
    • ARRIVAL VARCHAR(255)
    • SEATS_AVAIL INT
    • FARE DECIMAL(10, 2)

• Tables for each user dynamically created to store their booking history.
  • Structure:
    • Table name: {FULLNAME}_{U_ID}
    • Columns:
      • FLIGHT_NO INT
      • DATE_BOOKED DATE
      • PASSENGER_NAME VARCHAR(255)
      • PASSENGER_AGE INT
      • PASSENGER_GENDER VARCHAR(1)

1. check_user_id(data):

   • Description: Checks if a user ID already exists in the database.
   • SQL Query: SELECT * FROM PASSENGERINFO WHERE U_ID = %s

2. check_username():

   • Description: Checks if a username already exists in the database.
   • SQL Query: SELECT * FROM PASSENGERINFO WHERE USER = %s

3. query_register(data):

   • Description: Registers a new user by inserting their details into the database.
   • SQL Query: INSERT INTO BOOKAIR.PASSENGERINFO (U_ID,FULLNAME,USER,PASSWORD,GENDER,NATIONALITY,DOB,PHONE) VALUES (%s, %s, %s, %s, %s, %s, %s, %s)

4. query_login(data):

   • Description: Logs in a user by checking their username and password in the database.
   • SQL Query: SELECT * FROM BOOKAIR.PASSENGERINFO WHERE USER = %s AND PASSWORD = %s

5. query_search_flight(data, data2):

   • Description: Searches for available flights based on the departure and arrival cities.
   • SQL Query: SELECT * FROM BOOKAIR.SEARCHFLIGHTS WHERE DEPARTURE = %s AND ARRIVAL = %s

6. query_book_flight(book_data, no_tick):

   • Description: Books a flight for the user and updates the database with booking details.
   • SQL Queries:
     • SELECT FULLNAME FROM BOOKAIR.PASSENGERINFO WHERE U_ID = %s
     • SELECT FARE FROM BOOKAIR.SEARCHFLIGHTS WHERE FLIGHT_NO = %s
     • INSERT INTO BOOKAIR.\%s` (FLIGHT_NO, DATE_BOOKED, PASSENGER_NAME, PASSENGER_AGE, PASSENGER_GENDER) VALUES (%s, %s, %s, %s, %s)`
     • UPDATE BOOKAIR.SEARCHFLIGHTS SET SEATS_AVAIL = SEATS_AVAIL - 1 WHERE FLIGHT_NO = %s

7. query_payment(ticket_no, user_id, total_fare):

   • Description: Processes payment for booked tickets and updates the database.
   • SQL Query: INSERT INTO BOOKAIR.PAYMENT VALUES(%s, %s, %s, %s, %s)

8. check_history(data):

   • Description: Checks the booking history for a user and displays it.
   • SQL Query: SELECT * FROM %s (where %s is the user's dynamically created table name)

1. Run the proj.py file to start the program.
2. Follow the on-screen instructions to search for flights, book tickets, or register/login.