You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking to book a flight ticket from Detroit to Washington. Can you help me out?

ASSISTANT: Sure, can I know your travelling dates?

USER: I have planned my travel dates on Aug 9th and Aug 11th.

ASSISTANT: On which name should I reserve the flight ticket?

USER: You can book the ticket under the name John Miller.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER: My airport codes are DTW to IAD.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a stop over in between my journey.

ASSISTANT: Which class do you prefer?

USER: I am happy with any class.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No, I am fine with any time.

ASSISTANT: May I know your airline preferences?

USER: I am looking for normal cost airline.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found Delta airline with price 200 and economy class and airline number is 1017 with arrival time is 23 PM and departure time is 07 AM, Shall I proceed for booking?

USER: Please proceed in booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help. It's good to talk with you.

ASSISTANT: Thank you for reaching us.