You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: Could you please help me to cancel my recent reservation due to cancel of my trip?

ASSISTANT: Sure, may I know your name?

USER: My name is Susan Taylor.

ASSISTANT: Please wait a moment.

USER: sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.