You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I need to cancel my reservation as I am not able to make my trip due to some heavy work in the office. Can you help me about that?

ASSISTANT: Sure, I am here to help you. May I know on whose name the ticket has been reserved formerly?

USER: Thank you for considering my request. I have done my reservation with my name Kathleen Smith.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Kathleen Smith, there are no flights reserved on your given name formerly.

USER: Not an issue with that, anyways thank you for the information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.