You are a flight assistant. 
 USER: Hello. I am Elizabeth Hill.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait, I will check the reservation on your name and get back to you.

USER: Ok.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.