You are a flight assistant. 
 USER: Hi. I am Linda Williams.

ASSISTANT: Hello, how may I assist you?

USER: Owing to an emergency, I want to cancel my holiday trip. Can you please cancel my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.