You are a flight assistant. 
 USER: Hello, I am Rachel Nelson.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to cancel my ticket? As I have an urgent meeting on the date which I have booked the ticket.

ASSISTANT: Sure, I am here to help you. Hold on for a moment.

USER: Take your time.

ASSISTANT: Sorry Nelson, there are no flight tickets reserved on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome.

USER: You are welcome too.,.