You are a flight assistant. 
 USER: Hello, Ruth Green this side.

ASSISTANT: Hello Ruth, how may I aid you?

USER: I booked a ticket recently from your travel agency, due to some changes in plan, can you please cancel my ticket?

ASSISTANT: Sure, I'm happy to help you. Hold on for a while, let me check in the reservation list.

USER: Sure.

ASSISTANT: Sorry, there are no reservation found on your name.

USER: No issues, thank you for your clarification.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Welcome.