You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I assist you?

USER: I need to book a flight to PHL on 07/07 to meet my old friend for his birthday.

ASSISTANT: May I know your source code and travel start date?

USER: My journey starts at LAX on 07/05.

ASSISTANT: We have found a flight from AA airline with flight number 1016. Price 100 with one connection. Shall I proceed? May I know your name?

USER: Proceed the booking with the name Nancy Lee.

ASSISTANT: Your ticket has been reserved. Thank you, Have a happy journey.

USER: Thank you for helping me out.