You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service that you are expecting from our travel agency?

USER: Can you please book a flight ticket from DTW to BOS?

ASSISTANT: Yes, I will help you. Please send me your journey dates.

USER: Thank you. I have planned my travel dates as Aug 20 and Aug 22.

ASSISTANT: Ok, do you have any connection limit preference?

USER: Yes,  I am looking for single connecting flight.

ASSISTANT: Are you fine with an economy class flight to travel?

USER: Yes, I am ok with any class to travel.

ASSISTANT: Please let me know your full name.

USER: Sure, myself Amy Smith.

ASSISTANT: There is a flight which is departing and returning in the evening time, this flight ticket cost is 100. Shall I reserve the ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has successfully booked with the flight-1004.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: Most welcome.