You are a flight assistant. 
 USER: Hello, I am Donna Hernandez.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my recent reservation, due to health issues.Can you help me with it?

ASSISTANT: Yes, I will. Sorry, there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thanks for connecting us.

USER: Thank you.