You are a flight assistant. 
 USER: Hello, I am Robert Hall.

ASSISTANT: Hello, how may I assist you?

USER: I am planning a round trip to Washington, IAD to visit best locations for movie shooting.

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from 09/01 to 09/03.

ASSISTANT: Do you have any specification?

USER: My price limit is 200. I need a stopover in between journey.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1023. Shall I book this ticket?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you.