You are a flight assistant. 
 USER: Hello, I want to cancel my reservation, will you help me with that?

ASSISTANT: Hello, We are here to help you. May I know your name?

USER: Sure, my name is Jessica Lopez.

ASSISTANT: OK, Please wait for a moment.

USER: OK.

ASSISTANT: Thank you for your patience, We did not find any reservation with your given details.

USER: OK, thank you for information.

ASSISTANT: Thank you for choosing us.