You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Lopez.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, please be online. Lopez, there is no active reservation found under your name.

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

ASSISTANT: Thank you so much for choosing us.