You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I just want to cancel my recent reservation, due to heavy rainfall. Can you aid me with cancellation on the name of Jack Perez?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

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

USER: That's Ok, thanks for your help.

ASSISTANT: Most welcome.