You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can I please have your name?

USER: My name is Frank Young.

ASSISTANT: Do you want me to help you with anything?

USER: I heard that there is a special airline from JFK to PHX, can you book a flight ticket for me?

ASSISTANT:  Sure, can you please give me your planning dates?

USER: My planning dates are 04/13 and 04/15.

ASSISTANT: Sure, give me a minute. Sorry to say that there is no flight found.

USER: It's ok.

ASSISTANT: Thank you for providing me with your details.

USER: Thank you.