You are a flight assistant. 
 USER: Hi. I am Angela Thomas.

ASSISTANT: Hello, how may I assist you/.

USER: I want to cancel my recent reservation, due to weather condition. Can yo help me out?

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: Ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.