You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I have planned a bachelor party for my sister in Dallas & Fort Worth on 10/18. Could you please help me to reserve a flight ticket?

ASSISTANT: OK, may I know your airline codes?

USER: Yes, my journey will originate from New York, NY - JFK on 10/18 and will terminate to Dallas & Fort Worth, TX - DFW on 10/20.

ASSISTANT: May I know your good name?

USER: I am hoping that the price limit is within 500 with maximum single connection. And my name is Patrick Hall.

ASSISTANT: Please wait a minute, I will check and get back to you.

USER: OK, sure.

ASSISTANT: Thanks for waiting, we found a flight regarding your information. Flight number is 1021, airline: UA, with single connection price is 100. Shall I proceed booking?

USER: OK, happy to hear that, you can proceed for booking.

ASSISTANT: OK, your ticket is confirmed. Thank you, for connecting us.

USER: Thanks for your kind service.