You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Please reserve me a flight ticket from DFW to MSP.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travel dates are Jan 20 and Jan 22.

ASSISTANT: Can I know your connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Nicholas Evans.

ASSISTANT: There is a connecting flight 1022 of American Airlines, can I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.