You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I am Donald White. I am planning to planning to cancel my recent reservation, due to health issue. Can you please cancel my ticket?

ASSISTANT: Sure, let me check the current status and revert to you.

USER: Sure, I will wait.

ASSISTANT: We could not fin any reservation by the name you provided.

USER: That'a fine, thank you for your service.

ASSISTANT: Thank you for approaching us.