You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you today?

USER: I am Ruth Collins, want to cancel my recent reservation due to some personal issue. Please help me out with that.

ASSISTANT: Ok, please allow me to check.

USER: Sure.

ASSISTANT: Sorry, no reservation found on name.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.