You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you today?

USER: Myself Susan Rodriguez. I am looking for a flight from DTW to DEN, can you help me in booking the flight ticket from Detroit?

ASSISTANT: Sure, we are here to assist you. May I know your trip dates?

USER: Sure, my departure date is on Mar 04 and return date is on Mar 06.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No, I am not looking for any class preferences.

ASSISTANT: There is a connecting flight with fare of 200 and 1009 flight number. Shall I proceed to book Frontier airline?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your seat has been reserved in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a good day.