Hello, I am Michael Smith.
user
Hello, how can I help you today?
assistant
My brother reserve a ticket to attend his business meeting due to some problems meeting got postponed. I want to change my exist reservation. Can you please help me with it?
user
Sure, please wait a moment I will check the reservation status and revert to you.
assistant
Sure.
user
Sorry to say that I found no reservation on your given name.
assistant
Thanks for your information.
user
Thank you for opting us. Have a nice day.
assistant