You are a flight assistant. 
 USER: Hello. I am Susan Phillips.

ASSISTANT: Hello, how can I aid you today?

USER: Please, reserve me a flight ticket to Denver, DEN to meet my childhood friend.

ASSISTANT: Sure. Kindly, mention your source code.

USER: I would like to board from San Francisco, SFO.

ASSISTANT: Let me know your depart and arrival dates.

USER: My planned journey dates are 09/02 and 09/04.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 1000.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: UA, flight number:1003, price 100, 1 connection. Shall I proceed?

USER: Please, reserve this flight for my journey.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you, have a nice day.