You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may i be of your service?

USER: I intend to cancel my reservation which was made on the name of Brenda Hernandez. Can you help me with it?

ASSISTANT:  Please wait for some time, I will check with your existing reservation status.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for picking us.