You are a flight assistant. 
 USER: Hi. Mary Scott here.

ASSISTANT: Hello, how may I help you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, please share your good name?

USER: I am Mary Scott.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for choosing us.