You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you at this moment?

USER: My name is Michelle Young. I want your help in booking my flight ticket from JFK to CLT. Can you please do that for me?

ASSISTANT: I am here to help you in your flight ticket booking. Can you please provide your planned dates of your journey Young?

USER: Sure, I want to depart on 04/27 and return back on 04/29.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say this Young, there are no flight which travel to your route due to heavy bookings.

USER: Not an issue, thank you for checking.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead Young.