You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation, Can you please help me in that?

ASSISTANT: May I know your name please?

USER: My name is John Moore.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.