You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, may I know your name to check the status and revert you.

USER: Dennis Smith is my name.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We could not find any reservation by the name you given.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.