You are a flight assistant. 
 USER: Hi. I am Stephanie Carter.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend a business conference meeting at PHL, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you. Kindly mention your travel dates?

USER: I would like to travel on 09/09 to return on 09/11.

ASSISTANT: May I know your take off airport code?

USER: My leaving point is MCO.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for reaching us.