You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I abet you?

USER: I am Kevin Turner. I would like to visit camelback mountain at Phoenix, PHX. Can you please book me a ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: I want to travel on 01/23, and need to catch return flight on 01/25.

ASSISTANT: Let me know your source code.

USER: Source is from IAD.

ASSISTANT: Thanks for waiting, there is a flight with airline: Hawaiian, flight number:1024, 1 connection, price 200. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you.