You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Dorothy Thompson. I want to cancel my recent reservation due to cancel of my event. Could you please help me?

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: There is no active reservation available on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thanks for approaching us.