You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Timothy Martin.

ASSISTANT: How can I help you today?

USER: I need to cancel my reservation due to typhoons my golf event has been cancelled. Can you help me with reservation?

ASSISTANT: Sure, I can help you with that. Please allow me a moment to check for the previous reservation in our data base.

USER: Ok.

ASSISTANT: Your patience is greatly appreciated. Timothy, there is no reservation found under your name.

USER: Thank you for your kind help.

ASSISTANT: You are welcome. Thank you for contacting us.