You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my flight reservation ticket due to some health issues.Can you help me in this?

ASSISTANT: Sure, may I know your name?

USER: I am Elizabeth Edwards.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Not a problem, thank you.

ASSISTANT: Thanks for reaching us.