You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Shirley Allen. I want to cancel my reservation,can you help me with that?

ASSISTANT: Sure, I help you in the cancellation  of the flight ticket. Can you please wait while I check with the reservation records? I am sorry Shirley Allen, there is no reservation done on your name.

USER: That's ok, might be my brother has canceled.

ASSISTANT: Ok, thank you choosing our agency.

USER: Thank you for your help.