You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Lisa Garcia. Can you help me booking a flight ticket from DEN to MSP?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: I will start on Aug, 20 and return on Aug, 22.

ASSISTANT: Do you prefer any class in your journey?

USER: I am comfortable with any class.

ASSISTANT: May I know your depart and return timings?

USER: I will start in the morning.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I am comfortable with any flight.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a Hawaiian airlines, fare is 100 in economy class, and your depart time is 7:00 AM. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved with 1012 flight number.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.