You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: I have a business conference meeting at Denver. Can you please help me in reserving the ticket from EWR to DEN?

ASSISTANT: Sure, I will help you with that. May I know  your planned travel dates, please?

USER: I am planning my trip on Dec 23 and again I will return back on Dec 25.

ASSISTANT: May I know your name please?

USER: Myself Raymond Thompson.

ASSISTANT: Do you have any class preference?

USER: I am comfort to travel in any class.

ASSISTANT: Would you like to board a direct or connecting flight?

USER: I am planning to travel in single connection flight.

ASSISTANT: Do you have any other specifications?

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

ASSISTANT: There is a flight-1002 available in Frontier Airlines with connection limit one an the ticket fare is 100. Shall I proceed with booking?

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

ASSISTANT: Raymond Thompson, your booking is done in economy class.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Most welcome, thank you for reaching us. Have a safe journey.