You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I'm Carol Thompson. I would like to cancel my reservation due to personal health issue. Can you please help me with that?

ASSISTANT: Sad to hear that. Sure, I will help you.

USER: Thank you.

ASSISTANT: Give me  a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are welcome.