You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: May I know your name to check the reservation status?

USER: I am Sandra Jackson.

ASSISTANT: Please wait.

USER: Sure.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.