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

ASSISTANT:  Hello, how can I render you today?

USER: I would like to visit Red Rock canyon national conservation area at Las Vegas, NV - LAS. Can you please help me with book a single connection of flight?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT:   Let me know the airport code that you wish to fly.

USER: My source airport code is from Washington DC - DCA.

ASSISTANT:  Can I know your travelling dates please?

USER: Sure, my ravelling dates are 11/01 to 11/03.

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

USER: Sure.

ASSISTANT: Thanks for your precious time.

USER: OK.

ASSISTANT:  We found Delta airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed with airline number 1023.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.