Hell.
user
Hello, how can I help you today?
assistant
I am Ryan Thomas. I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Could you please help me in changing my previous reservation?
user
Sure, please wait for a while.
assistant
Sure.
user
Thanks for waiting, no flight reservation found with your name.
assistant
No problem, thank you for your information.
user
Thank you for opting us.
assistant