You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, can you provide your name please to check the reservation status?

USER: Thank you for accepting my request. Myself Jonathan Wilson.

ASSISTANT: Please be on hold.

USER: Sure, I will wait.

ASSISTANT: Sorry, we did not find your reservation in our database.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.