You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: Myself Jonathan Nelson. With my friend suggestion I want to travel from BOS to MCO locations, can you please reserve a flight ticket for my trip?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are from 09/11 and 09/13.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: It's ok, I'll try for some other source to complete my trip. Thank you for the information.

ASSISTANT: Thank you for approaching us.