You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Christopher Martinez, want to cancel my recent reservation due to sudden changes in weather condition. Can you please help me in that?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. Unfortunately, no reservation found with your name.

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

ASSISTANT: Thanks for choosing us.