You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what help can I do for you?

USER: Jessica Johnson here. Will you cancel my reservation, which I have done previously?

ASSISTANT: Sure, I will do that. Please give a moment to check with the details.

USER: Sure.

ASSISTANT: We are sorry to inform you that there is no ticket booked on your name previously.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for checking out.

ASSISTANT: Have a great day.