You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: I would like to travel from IAD to DTW as a business trip. Can you do the reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please tell me your preferred travelling dates?

USER: My trip dates are 08/31 and 09/02.

ASSISTANT: Ok, do you prefer business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, may I know your connection limit?

USER: I need break in my journey.

ASSISTANT: Is there any thing else I need to help you?

USER: Please give preference for departure time is evening.

ASSISTANT: Ok, can I know your good name please?

USER: Janet Robinson here.

ASSISTANT: We found a Southwest airline with fare of 100 in economy class and a lay by in between the journey matches your schedule. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed with flight number 1019 and departure is at 2:00 AM  and arrival is at 6:00 AM.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.