You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want a round trip ticket from Denver DEN. Can you make my reservation?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are from 08/02 to 08/04.

ASSISTANT: Ok, may I know your name please?

USER: Myself David Robinson.

ASSISTANT: The Delta airline with flight number 1013 is available having price as 200 and connection as 1.

USER: That's perfectly matching with my request. Please proceed this.

ASSISTANT: Ok, your reservation is done.

USER: Thank you.

ASSISTANT: Thank you.