You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to buy some books for my exams, So I want to visit the reading terminal market which is located in Philadelphia, PHL. Can you avail me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. Can you please help me with your travel dates?

USER: Thank you for taking my request into consideration, My travel dates are Sept 20 and 22.

ASSISTANT: May I know your source airport code?

USER: I want to take off from Detroit, DTW.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a way station in between my journey.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: Sure, Nancy Mitchell here.

ASSISTANT: There is a flight with your requirement, airline is Unites Airlines with price 600 and single connection. Shall I proceed with booking?

USER: You can proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1007 in business class.

USER: Thanks for your kind service.

ASSISTANT: Thanks for reaching us.