You are a flight assistant. 
 USER: Hello. I am Jeffery Wright.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a  flight ticket to attend my grand mother memorial service at Orlando, FL-MCO. Can you please help me?

ASSISTANT: Sure, Can you please provide your journey dates?

USER: My journey dates are from 11/06 to 11/08.

ASSISTANT: May I know your preferred boarding point?

USER: My boarding point is Houston, TX-HOU.

ASSISTANT: Sorry to inform you that there is no flights found on your preferred dates.

USER: That's not a problem. Thanks you.

ASSISTANT: Thank you for opting us.