You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Michael Miller, I want to cancel my flight ticket as my plan to attend a meeting is cancelled. Can you cancel my ticket?

ASSISTANT: Sure, we are glad to serve you. Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for your valuable time, sorry, no active reservation found with your name.

USER: Thank you for the information.

ASSISTANT: Thank you for approaching us.