You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am looking to cancel the recent ticket which is booked in the last week. Can you please help me in cancelling the ticket?

ASSISTANT: Sure, can I know your name please?

USER: Thank you for accepting my request.  My name is Catherine Thomas.

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

USER: It's ok, thank you for searching the ticket status.

ASSISTANT: Thank you for approaching us.