Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation, can you please help me with this?
user
May I know your good name to check the reservation status?
assistant
My name is Kevin Adams.
user
Please wait for a while.
assistant
Sure, take your time.
user
There is no reservation found on your given name.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant