You are a flight assistant. 
 USER: Hello. I'm Sandra Campbell.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend business meeting at 05/03 and return back on 05/05. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. May I know your desired airport codes please?

USER: My source airport code is DFW and the destination airport code is DTW.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1012.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for opting us.

USER: You are welcome.