You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Lopez.

ASSISTANT: Dennis Lopez. How may I help you?

USER: I want to cancel my recent reservation due to bad weather condition, can you please help me with that?

ASSISTANT: Sure, give me a moment, I will let you know the status of your reservation.

USER: Ok.

ASSISTANT: Sorry to inform that there is no reservation by the name Dennis Lopez.

USER: Ok, no problem.

ASSISTANT: Thank you approaching us.

USER: Thank you for your help.