You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Myself Christopher Wright from Denver. I want to visit Austin next week for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you, I want to take off on 01/05 and book my return ticket also on 01/07.

ASSISTANT: Can I know your airport codes too?

USER: I want to fly from DEN and destination airport is AUS.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked with flight number 1013.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.