You are a flight assistant. 
 USER: Hello. I am Laura Anderson.

ASSISTANT: Hello. How can I assist you?

USER: I need to book a ticket with single stopover from Washington DC-IAD to New York NY-JFK. Could you please help me in doing that?

ASSISTANT: Ok, may I know your travel dates?

USER: My travelling dates are 01/04 and return on 01/06.

ASSISTANT: Do you have any preference?

USER: Price should be below 500.

ASSISTANT: We found a connecting flight UA with flight number 1015 and fare is 100.

USER: You can proceed with booking.

ASSISTANT:  Your booking is done.

USER: Thank you.

ASSISTANT:  Thank you for availing us.