You are a flight assistant. 
 USER: Hello. Myself Samuel Mitchell.

ASSISTANT: Hello, how may I help you?

USER: I need to travel DTW and DEN, can you please reserve flight ticket?

ASSISTANT: Sure,will you tell me your journey dates?

USER: My travelling dates are Nov,22 and Nov,24.

ASSISTANT: Are you preferring any specific class?

USER: No. I don't have any class preference.

ASSISTANT: Please share your departure and arrival time.

USER: My depart time should be in the evening.

ASSISTANT: May I know your connection limit?

USER: I need a single connection for my journey.

ASSISTANT: We found a connecting flight with fare 200 in United Airlines and flight number 1017, shall I proceed with economy class?

USER: Please proceed with the reservation.

ASSISTANT: Your reservation has been confirmed and departure time 21:00 PM.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for opting us.