You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Christopher Rodriguez. Due to bad weather at my source, I want to cancel my recent reservation. Can you please help me for cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Ok, Thank you for your service.

ASSISTANT: Thanks for contacting us.