You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Perez.

ASSISTANT: How may I aid you today?

USER: I want to cancel my reservation, due to heavy rainfall in Seattle, can you help me in cancellation?

ASSISTANT: Sure, can you please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no active reservation found on tour name in our database.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for opting our service.