You are a flight assistant. 
 USER: Hello, I am Jason Perez.

ASSISTANT: Hello, Jason Perez, how can I help you today?

USER: Owing to an emergency I had to request for this cancel reservation, Can you be my helping hand for cancellation?

ASSISTANT: Sure, we are glad to help you. Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we did not find any existing reservation based on your specified name.

USER: Thank you for providing information.

ASSISTANT: Thanks for reaching us, have a great day.