You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, we are here to help you from our agency.

USER: Thank you.

ASSISTANT: Please give me a moment to check your status.

USER: Sure.

ASSISTANT: Sorry King, we couldn't find any reservation on your name to cancel.

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

ASSISTANT: Thank you for reaching us.