You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Taylor.

ASSISTANT: What help is required from our agency?

USER: I want to book a ticket form PHL to MCO to meet my parents.

ASSISTANT: Sure Gary, can I know the travel dates please?

USER: My travel dates are 07/14 and return on 07/16.

ASSISTANT: Ok, wait a moment please.

USER: Take your time but revert back with best flight.

ASSISTANT: Sorry Gary, there are no flights available on your dates.

USER: It's ok, thanks for your help.

ASSISTANT: You are welcome.