You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you please help me to cancel my recent reservation as my plan to meet my grand parents got postpone?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can I know your name?

USER: My name is Kenneth White.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.