You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Perez.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: There is no reservation found under your name, Perez.

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

ASSISTANT: Thank you for choosing us.