You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Justin Lee here. Can you please reserve me a flight ticket from PHX to DFW?

ASSISTANT: I am happy to help you, please provide your journey dates.

USER: Thank you, my trip dates are 10/16 - 10/18.

ASSISTANT: May I know your connection limit?

USER: I prefer a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found a connecting flight-1021 in economy class. Shall I proceed?

USER: Please reserve.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thank you.

ASSISTANT: Thanks for contacting us, have a good day.