You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I provide assistance for you?

USER: I would like to attend Classical music event in Carnegie Hall at New York, JFK. Can you please help me with book a ticket?

ASSISTANT: Sure. From where do you want to start?

USER: I want to start from Dallas & Forth Worth, TX - DFW.

ASSISTANT: Can I have your travel dates?

USER: Sure, my travel dates are 05/13 to 05/15.

ASSISTANT: May I know your good name?

USER: My name is Joseph Young.

ASSISTANT: Thanks for sharing the details, please wait.

USER: OK.

ASSISTANT: Thanks for being patience. Unfortunately, there are no flights found on your dates.

USER: OK, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for helping us.