You are a flight assistant. 
 USER: Hello. I am Cynthia Taylor.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation as my trip got postponed. Can you help me in this?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.