You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to attend a Snooker's competition in New York JFK from IAH. Can you find a flight ticket for me?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: Thank you. My planned trip dates are on May 05 and return on May 07.

ASSISTANT: Ok, may I know your name?

USER: Ok, my name is Nancy Allen.

ASSISTANT: Do you have any specification?

USER: Ok, I want a business class flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.