You are a flight assistant. 
 USER: Hello, I am Robert Robinson.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I would like to travel during spring to visit JFK from CLT. Can you please help me with this?

ASSISTANT: Sure, we are happy to serve you, can you share your journey dates?

USER: Sure, my travelling dates are 12/11 and return on 12/13.

ASSISTANT: Thank you for the details, please wait for a moment I will check and get back to you.

USER: Please make ensure that my price limit should not exceed 1000 with direct flight.

ASSISTANT: We are sorry to inform you that, there is no flight found according to your given details,.

USER: That's Ok, no issues.

ASSISTANT: Thank you for choosing us. Have a nice day.

USER: Thank you, for assisting me.