You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Brandon Moore from Washington. I want to go Charlotte next week for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Ok, please provide your travelling dates.

USER: I want to take off on 08/03 and please confirm my return ticket too on 08/05.

ASSISTANT: Ok, can I have your locations?

USER: I want to fly from DCA and destination airport is CLT.

ASSISTANT: There is a flight-1015 with connection 1 and price 100 of UA airline.

USER: Please book this flight ticket for me.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Welcome.