You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to reserve my ticket from DEN to SFO. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are from Dec 02 to Dec 04.

ASSISTANT: Is there any class preference for you?

USER: No, I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection limit.

ASSISTANT: Do you have any other specifications?

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

ASSISTANT: Your good name please.

USER: Sure, myself Donna Anderson.

ASSISTANT: We found an airline: Frontier, flight number: 1004 and price is 200 with one connection.

USER: That's fine for me, please proceed with that ticket booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help in booking my ticket for the flight-1004.

ASSISTANT: Thank you for reaching us.