You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be a help for you?

USER: I am Mary Turner, want to travel from DEN to IAD. Please help me.

ASSISTANT: Sure, I can help you with that. May I know your planned departure and return travel dates please?

USER: My travel dates are from 11/08 to 11/10.

ASSISTANT: Fine, do you need any halt in between your journey?

USER: Yes, I want 1 halt in between my trip.

ASSISTANT: Do you want to travel in economy or business class flight?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: AA airlines is having a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked your ticket in economy class in flight-1005, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.