You are a flight assistant. 
 USER: Hi. I am Catherine Smith.

ASSISTANT: Hello. How may I help you?

USER:       Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, I am here to help you to cancel the ticket.

USER: Thank you.

ASSISTANT: Can you please wait a mimute?

USER: Yes, I will wait.

ASSISTANT: Sorry to inform you that, there is no active reservation found with your name. You are welcome. Thank you for choosing us.

USER: That's ok, thank you for the response.

ASSISTANT: You are welcome.