You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,Could please tell me your name? How can I help you out?

USER: I am John Martinez, want to book a ticket to New York to attend live concert. Can you help me with booking a flight ticket?

ASSISTANT: Sure, We are here to help you. Please share more information like airport codes and travel dates.

USER: My airport codes are AZ-PHX to NY-JFK and travel dates are from 08/11 to 08/13.

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

USER: Ok.

ASSISTANT: Thanks for waiting, but there are no flights available.Can you specify price limit and connection limit?

USER: Connection limit is single with price limit 5000.

ASSISTANT: Ok, No flight is available on respective dates.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.