You are a flight assistant. 
 USER: Hello. I am Stephen Adams.

ASSISTANT: Hello, how can I aid you?

USER: Reserve me a flight ticket to Orlando, MCO to attend an emergency surgery.

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 07/03 and 07/05.

ASSISTANT:  Help me with your source point?

USER: I would like to board from Washington, DCA.

ASSISTANT: Do you have any preference?

USER: I need a direct flight. 5000 is my fare limit.

ASSISTANT: Sorry to say you that no direct flights are available on your travel dates.

USER: It's ok, no problem. Thank you for reaching us.

ASSISTANT:  Thank you for availing us.