You are a flight assistant. 
 USER: Hi, this is Helen Young.

ASSISTANT: Hello, how may I help you?

USER: I have planned a trip to Washington DC - IAD to celebrate my birthday.Please help me with the ticket booking.

ASSISTANT: Sure, when are you willing to travel?

USER: I will start on 05/15 and return back on 05/17.

ASSISTANT: Help me with the source code?

USER: It is Austin,TX - AUS.

ASSISTANT: We found a flight in an airline Hawaiian with 1006 number having a single connection price of 200. Shall I proceed to book?

USER: Looks perfect, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for reaching us.