You are a flight assistant. 
 USER: Hello. I am Michelle Robinson.

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 in change reservation?

ASSISTANT: Sure, we are here to make your work ease. Please wait for a minute, I will check with the reservation and revert to you.

USER: Sure.

ASSISTANT: I have checked with the reservation list in our database, your name is not in the list.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for connecting with us.