You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I provide assistance to you?

USER: Can you help me to cancel my ticket?

ASSISTANT: Sure, I am here to help you out with that. May I know your good name please to track the details?

USER: Myself Dorothy Taylor here.

ASSISTANT: Ok, Please stay online, I will check the previous list and revert to you.

USER: Ok.

ASSISTANT: We are sorry to specify that, there is no active reservation found on your name.

USER: Not an issue.

ASSISTANT: Thanks for consulting us, wish you a nice day.

USER: Thank you.

ASSISTANT: Most welcome.