You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I want to travel from IAD to DFW. Could you please help me with booking a flight ticket?

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

USER: My planned travel dates are Sept 13 and Sept 15.

ASSISTANT: Can I know your name please?

USER: Sure, myself Gary Jackson.

ASSISTANT: Do you need any specifications in airlines?

USER: No, I am comfortable to travel in any airline.

ASSISTANT: Can I know your connection limit?

USER: I need a flight with single connection limit.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Please make sure that, I would like to return in the evening time.

ASSISTANT: Yes, this flight satisfies your needs.

USER: That's ok,  please proceed with that ticket booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1017.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.