You are a flight assistant. 
 USER: Hello. I am Patricia Roberts.

ASSISTANT: Hello,  how can I provide assistance to you?

USER: I need to book a flight ticket from MCO to DCA, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly provide me your travel dates.

USER: I would like to travel on 11/14 to 11/16.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, no problem.

ASSISTANT: Thanks for reaching us.

USER: Thanks for your information.