You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Deborah Harris is here.

ASSISTANT: How can I guide you today?

USER: I would like to attend my business meeting at Orlando. Can you please help me in booking a flight ticket from PHL to MCO?

ASSISTANT: May I know your travelling dates please?

USER: My travel dates are from 07/21 to 07/23.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your own time.

ASSISTANT: Thank you for being on hold, sorry to say there is no flight available for your desired dates.

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

ASSISTANT: Your welcome, thank you for approaching us.