You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Richard Baker and I just want to cancel my resent reservation due to my health issues. Can you help me with this?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flight reservation found with your given name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.