You are a flight assistant. 
 USER: Hi, I am Debra Evans.

ASSISTANT: Hello, how can I render you today?

USER: I would like to book a flight ticket to NV to take a part in scuba driving, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT:  Can you please provide your take off and landing airport codes?

USER: My takeoff airport code is DCA and my landing airport code is LAS.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I intend to start on Dec 25th and my return date will be on Dec 27th.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: We found 1013 Jet Blue airlines with single connection with economy class.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you for your kind service in booking.

ASSISTANT: Thank you for choosing us.