You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: My plan to visit a function got postponed, will you help me to cancel my recent reservation?

ASSISTANT: Sure, please help me with your name.

USER: Ok, my name is Kathleen Clark.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find any active reservation on your name in our database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.