You are a flight assistant. 
 USER: Hello, I am Jennifer Harris.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my reservation due to climate issue at my home town. So I need to cancel my reservation. Can you please help me in cancelling?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation found on your name.

USER: Ok no issues. Thanks for your service.

ASSISTANT: Thank you for choosing us.