You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anna Baker. I would like to cancel my existing flight ticket. Could you help?

ASSISTANT: Sure, please wait for a while.

USER: Sure, please take your time.

ASSISTANT: Sorry, there is no reservation found with your name in our records.

USER: Ok, no problem. I will try to find some other means of transport. Thank you for the information.

ASSISTANT: Most welcome. Have a nice day.

USER: You too have a wonderful day.