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

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, please wait I will get back to you.

USER: OK.

ASSISTANT: Thanks for waiting, we have not found any flight reservation with your given name.

USER: Ok, no issues. Thanks for your great response.

ASSISTANT: Thanks for approaching us.