Hello. Thomas Miller here.
user
Hello, how may I help you?
assistant
I am planning to change my reservation because of sudden health issue to my son, can you please help me out with changing of my reservation?
user
Ok, please wait for a while.
assistant
Sure, take your time.
user
Sorry to inform you, there is no reservation found with your name in our records.
assistant
Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.
user
Most welcome.
assistant