You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to promote my business at Denver. Can you please help me in reserving the ticket from ATL to DEN?

ASSISTANT: Sure, we are happy to assist you in booking. Please let me know if you need a connecting flight.

USER: I am flexible with single connection.

ASSISTANT: Kindly share if you have any airline preference.

USER: My airline preference is normal-cost.

ASSISTANT: Could you please let me know your planed travelling dates to proceed further?

USER:  am willing to leave on May 27, and again I will return back on May 29.

ASSISTANT: Is there any other specifications?

USER: No, I don't have any other specifications .

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket with single connection and the flight number-1017. Shall I book the ticket?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: May I know your name please?

USER: Myself Sandra Allen.

ASSISTANT: Your seat has been reserved with AA airline.

USER: Thank you very much for reserving the ticket.

ASSISTANT: It's pleasure to serve you.