You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today?

USER: I am Donald Campbell. I need to book a flight ticket from PHL to JFK to attend my friend birthday party, can you please help me to book a flight with single connection?

ASSISTANT: Sure, can you please share your scheduled dates?

USER: Sure, my journey dates are from 12/17 to 12/19.

ASSISTANT: Kindly mention your budget for ticket?

USER: My price limit is 200.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, unfortunately no flights found on that day.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.