You are a flight assistant. 
 USER: Hello, I am Michelle Green.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my friend at Philadelphia, can you please book a ticket for round trip?

ASSISTANT: Sure, may I know your journey dates?

USER: My trip dates are from 09/06 to 09/08.

ASSISTANT: Please provide me your airport code.

USER: My source and destination code is PA-PHL.

ASSISTANT: I found a Southwest airline, flight number: 1002, price: 100 with one connection.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for availing me.

ASSISTANT: Thank you.