You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Ruth Lopez, want to cancel my trip because of some reason. Can you help me?

ASSISTANT: Sure, I will help you to cancel my reservation.

USER: Sure.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Thank you.

ASSISTANT: Welcome, have a nice day.