You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth Williams here.

ASSISTANT: What help you need from our agency?

USER: 1002 flight number is declared by 2 hours, So, can you cancel my ticket?

ASSISTANT: Sure Kenneth, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found in my database regarding your name.

USER: It's ok. Thank you for searching.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: My pleasure.