You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sharon Perez here.

ASSISTANT: Perez, how can I help you?

USER: I want to cancel my ticket due to snow storm in my place.

ASSISTANT: Sure, I am here to help you. Please give me a mean while.

USER: Sure.

ASSISTANT: Sorry Perez, no active reservation found under your name.

USER: It's ok, thank you.

ASSISTANT: It's my pleasure, have a nice day.