You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Matthew Roberts. I want to cancel my recent reservation due to the heavy rainfall at my source point. Can you help me?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name?

USER: No problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.