You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, I am here to aid you. Please mention your name.

USER: My name is Michelle Mitchell.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patient, we did not find any reservation on your name in our database.

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

ASSISTANT: Thank you for opting us.