You are a flight assistant. 
 USER: Hi. William Jackson here.

ASSISTANT: Hello, how may I support you now?

USER: Can you book a flight ticket for my airport codes that is from PHX to DCA?

ASSISTANT: Sure, please share me your planned journey dates?

USER: The travel dates are from 13 July to 15 July.

ASSISTANT: May I know your connection limit?

USER: I am looking for a single connecting flight.

ASSISTANT: Do you have any other preferences related to booking?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I found a connecting flight 1011 of airline Southwest, fare is 300, class is economy, departure time is evening and return flight time is morning. Shall I proceed with booking?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.