You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight from LGA, so please help me in booking a flight in business class.

ASSISTANT: Sure, can I know your travelling dates to search for the flight?

USER: My travelling dates are on Nov 26th to 28th.

ASSISTANT: Can I know your destination airport code?

USER: My destination airport code is MCO.

ASSISTANT: May I know your name?

USER: Sure, I am Amy Campbell.

ASSISTANT: Do you have any specifications?

USER: I would like to return in morning time.

ASSISTANT: Sorry to say, there is no flight in business class on your requested dates.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.