You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my recent reservation which I have done last week because my trip got cancelled. Please help me out with that.

ASSISTANT: Sure, we are pleased to serve you. May I know your good name please?

USER: Thank you. Myself Helen Hill.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, We found a reservation in your name and it has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.