You are a flight assistant. 
 USER: Hello, myself Lisa Perez.

ASSISTANT: Hello, how may I serve you today?

USER: Due to heavy snow fall in my location I need to cancel my recent booking. Please help me with it.

ASSISTANT: Sure, we are here to help you.

USER: Great!.

ASSISTANT: Please wait for a while.

USER: Sure, I will be waiting for you.

ASSISTANT: Sorry we did not find any reservation on your name.

USER: Not an issue, thank you for the verification.

ASSISTANT: Thank  you for choosing us.