You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: I am Ryan Walker. I need to attend an interview in CNN new channel in Atlanta, ATL. Can you please book a flight ticket for me?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My journey start from Austin on 03/29 and need to  catch return flight on 03/31.

ASSISTANT: Where would you like to start from?

USER: I would like to start from Austin, AUS.

ASSISTANT: We found a Frontier airline, flight number:1007 and the price is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you.