Hello.
user
Hello. How may I guide you?
assistant
Can you please help me in changing my existing reservation?
user
Sure, I can help you to change the ticket details. Can you please  confirm me your name to check the ticket status?
assistant
My previous reservation has done with my name Kenneth Phillips.
user
Ok, please give me a minute.
assistant
Sure.
user
Sorry for the inconvenience, there is no active reservation found with your name to change.
assistant
Ok, not an issue. Thank you for providing information.
user
You are welcome. Thank you for approaching us.
assistant