You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I'm Nicole Walker. I am planning for a round trip from IAD to IAD, can you please help me with booking a flight ticket?

ASSISTANT: Sure Nicole Walker, can I have your travel dates please?

USER: Sure, I would like to take off on 04/11 and return back on 04/13.

ASSISTANT: Ok, please wait a moment. I have found a flight with connection 1 and price 100, is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok Nicole Walker, I have reserved a ticket with flight number 1001.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us, have a great journey.