You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jason Anderson.

ASSISTANT: Welcome to flight booking agency Jason. What service that you are looking from our agency?

USER: Thanks, I want to cancel my flight ticket. Can you please help me with that?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you for your positive response.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Ok.

ASSISTANT: We regret to inform you that there is no reservation on your name in our records.

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

ASSISTANT: Thank you for reaching us, hope you have a great day.