You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Rebecca Thomas. Can you please help me in booking  a flight ticket from the location DCA to EWR?

ASSISTANT: Sure, I will help you out in booking the ticket.

USER: Thank you for accepting my request.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 11/25 and 11/27.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I can wait for your reply.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: That's fine, you can book the ticket with this flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.