You are a flight assistant. 
 USER: Hi, Michelle Rodriguez here.

ASSISTANT: Hello. How can I aid you?

USER: Can you please reserve me a flight ticket from ORD to MCO?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: My trip dates are 03/01 - 03/03.

ASSISTANT: Do you have any specifications?

USER: I prefer to go by a business class.

ASSISTANT: Sorry, there are no flights available for your desired dates.

USER: Not an issue, thank you for your help.

ASSISTANT: Thank you for reaching us.