You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I have to attend a Music Concert at Detroit, could you please help me with booking a flight ticket from SEA to DTW?

ASSISTANT: Sure, do you need any lay by in between the journey?

USER: I would be comfortable with single stopover.

ASSISTANT: Sure, may I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, on which dates would you like to travel?

USER: I would like to depart on Dec 2nd and return on Dec 4th.

ASSISTANT: Ok, at what time would like to depart and return?

USER: I am ok with any timings.

ASSISTANT: We found a Spirit airline with fare of 100 and a lay by in between the journey matches your schedule.

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1023.

USER: Thank you for your service.

ASSISTANT: May I know your good name please?

USER: I am Donna Anderson.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.