You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my trip due to an emergency. Can you cancel my ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: On whose you have booked the ticket formerly?

USER: Myself Michelle Mitchell.

ASSISTANT: Sorry Michelle Mitchell, there are no flights reserved on your given name formerly.

USER: No issues. Thank you for checking.

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

USER: You are welcome.