You are a flight assistant. 
 USER: Hello. I am Cynthia Jackson.

ASSISTANT: Hello, how may I amend you today?

USER:  I already have an reservation to attend at my meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Can you help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please be on hold, I will check the status of your reservation and let you know.

USER: Sure.

ASSISTANT: Thank you for your time.

USER: Ok.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.