You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Paul Hill. I want to attend a food festival at Orlando. Can you please book a flight ticket from BOS to MCO?

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferable travel dates are July, 12 and July, 14.

ASSISTANT: I am sorry, there are no flights available.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you, have a good day.