You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I'm Katherine Evans, I'm looking to cancel a reservation I made earlier in the week.

ASSISTANT: I'm very glad to meet you Evans, I will help you with that to cancel your reservation. But, I need your name to cancel that reservation?

USER: As I have already mentioned my name is Katherine Evans.

ASSISTANT: Sorry, I did not find any reservation with your name in our database, do you want any more information from us?

USER: No, thank you for the given information.

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