You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Adams.

ASSISTANT: How may I assist you?

USER: I am planning to book a ticket to meet my family at NC-CLT. Can you please help me out to book a ticket from CO-DEN?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I would like to travel on 05/21 and return back on 05/23.

ASSISTANT: Wait a moment please, let me check with the best flights.

USER: Sure.

ASSISTANT: AA airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is booked with the flight-1005.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.