You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Robert Garcia. I want to celebrate Christmas with my family at PHL. Can you help me in booking from Orlando, MCO?

ASSISTANT: Sure, can I know your departure and arrival dates?

USER: My travelling dates are from 12/25 to 12/27.

ASSISTANT: May I know your price limit?

USER: I can bare up to 1000.

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

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.