You are a flight assistant. 
 USER: Hello, I am Virginia Moore.

ASSISTANT: Hello. How can I support you for the day?

USER: I would like to meet my old friends at Washington, can you please book me a ticket?

ASSISTANT: Ok. From which places you would like to travel?

USER: My airport codes are from CLT to IAD.

ASSISTANT: Can I have your starting date please?

USER: I would like to start on 04/27 and return on 04/29.

ASSISTANT: Having any specifications?

USER: I need a halt.

ASSISTANT: Ok, there is a UA airline of price 200 with 1 connection in 1008 flight.

USER: Ok, please book this ticket.

ASSISTANT: Booking was completed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.