You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I have to change my flight ticket reservation, can you please help me in that one by checking in the name Katherine Scott.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Sorry Scott, there is no previous reservation under your name.

USER: Ok, that's fine, no issues with that one. Thank you for your service.

ASSISTANT: Most welcome.