You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: Myself Anna Thompson. Due to some problems my trip was cancelled so can you please cancel my flight ticket?

ASSISTANT: Sure Anna Thompson, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry Anna Thompson, no reservation has found under your name to cancel.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.