You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I just want to cancel my recent reservation as my meeting got post pone due to some technical issues. Can you help me with this?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Brenda Lopez.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to cancel it.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.