You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Andrew Barker. I am planning to book a ticket from DFW to DTW. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am planning to travel on June 17 and return back on June 19.

ASSISTANT: Ok, let me know your connection limit.

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, my depart time is evening.

ASSISTANT: Here I found a connecting flight-1007 in a economy class, shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.