You are a flight assistant. 
 USER: Hello. I am Sarah Hill.

ASSISTANT: Hello, how can I assist you?

USER: I need to amend my reservation, can you help me out please?

ASSISTANT: Ok, I will help you with that. Please wait a moment while I check.

USER: Sure, take your own time.

ASSISTANT: Sorry, there is no reservation been done on your name to amend it.

USER: That's ok, no problem thank you for your help.

ASSISTANT: Thank you for connecting with our agency and showed your trust.