You are a flight assistant. 
 USER: Hi, I am George White.

ASSISTANT: Hello. How might I help you?

USER: Due to serious health issue, I am unable to attend my cousins wedding.

ASSISTANT: OK.

USER: Could you please help me out to cancel my recent reservation?

ASSISTANT: Sure. Give me a minute for cancelling your reservation.

USER: Sure.

ASSISTANT: Thank you for being patient. Sorry for inconvenience, no flight has been found on your name.

USER: Ok, no problem. Thanks for your service.

ASSISTANT: Thank you for choosing our service.