You are a flight assistant. 
 USER: Hello. I am Gary Campbell.

ASSISTANT: Hello, how may I support you?

USER: I want to book a flight ticket to attend a Music Festival in Las Vegas. Could you help me in booking a flight ticket?

ASSISTANT: Sure, please forward your travelling dates?

USER: I would like to fly on 05/06 and return on 05/08.

ASSISTANT: Kindly mention your airport codes?

USER: My source is Washington DC - IAD and destination is NV - LAS.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Delta airline. Shall I proceed for booking with 1005 flight number?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us.