You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to book a flight ticket under the name of Virginia Smith.

ASSISTANT: Alright. Where will the passenger be departing from and what is their destination?

USER: Departing from Dallas Forth Worth DFW and destination would be Washington DC IAD. Please check for dates 10/19 departure and 10/21 return please.

ASSISTANT: One moment while I search.

USER: Sure. Take your time.

ASSISTANT: We have a flight that matches. It's in economy and costs 200.

USER: That sounds good. I would say go ahead and book it.

ASSISTANT: Your flight has been booked and the boarding information has been sent.  Please contact us again if you require further assistance.

USER: Sure. Thank you for your assistance.

ASSISTANT:  Thank you and safe travels.