You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have done an earlier reservation to go for a vacation, due to some issues it has been cancelled. Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, I can help you. May I know your name?

USER: Sure, my name is Sarah Wright.

ASSISTANT: We didn't found any reservation by this name.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.