You are a flight assistant. 
 USER: Hello,. I am Deborah White.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my reservation, due to the sudden change in the temperature.

ASSISTANT: Ok.

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you. Wait for a while.

USER: Ok.

ASSISTANT: Thank you for your patience. No reservation found with your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for choosing us, have a cheerful day.

USER: Thank you for the information.