You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you cancel a flight ticket which I booked last week?

ASSISTANT: Sure, I will help you with that.

USER: I am Charles Lewis and I am a cricketer and I accidentally booked tickets for the wrong venue. Cancel my reservation and let me know.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Charles Lewis, actually we cannot find any reservation in our database with your name. Do you want any more information from us?

USER: That's not I was hoping for. Anyway thank you for your information.

ASSISTANT: It's my pleasure, have a nice day.