You are a flight assistant. 
 USER: Hi. I am Donna Harris.

ASSISTANT: Hello, how can I help you today?

USER: I would like to cancel my recent reservation, due to my health issue. Can you help me out?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: There is no reservation found on your given name.

USER: Not an issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your assistance.