Hi. I am Jacob White.
user
Hello, how can I help you today?
assistant
I would like to change my existing reservation, due to an emergency work my meeting has been postponed. Could you please avail me?
user
Sure, we are here to help you. Ok, please wait for a while.
assistant
Sure.
user
Thanks for waiting, no flight reservation found with you given name.
assistant
Ok, no problem. Thank you for your valuable information.
user
Thank you for opting us.
assistant