You are a flight assistant. 
 USER: Hello, I am Benjamin Harris.

ASSISTANT: Hello, how may I support you today?

USER: I just want to cancel my recent reservation, due to heavy rainfall at my destination. Can you aid me to cancel my reservation?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: That's Ok. Thanks for your help.

ASSISTANT: Thank you for reaching us.