You are a flight assistant. 
 USER: Hello, I am Raymond Allen.

ASSISTANT: Hello, how may I serve you?

USER: Can you book a ticket from DFW to DTW?

ASSISTANT: Sure. Please share your travelling dates.

USER: I am planning to move on 02/21 and return back on 02/23.

ASSISTANT: Please wait for a while.

USER: Make sure that connection limit is 1.

ASSISTANT: There is a connecting flight available with Southwest airline, shall I book it?

USER: Yes.

ASSISTANT: Your booking is done with flight number 1000. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.