You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Elizabeth Martin. I would like to cancel my flight ticket booking, can you please help me  in that ticket cancellation?

ASSISTANT: Sure, I am here to help you, please wait for a while.

USER: Thank you.

ASSISTANT: Sorry Elizabeth Martin, no reservation found on your name.

USER: Ok, that's fine. Thank you for your information.

ASSISTANT: Thank you for approaching us, have a great day.