Hello.
user
Hello, how can I help you?
assistant
I would like to change my existing reservation due to postpone of my live concert at Oakland. Could you please help me?
user
Sure, can you please share your good name?
assistant
I am Ruth Wright.
user
Please wait for a while.
assistant
Sure.
user
Sorry, no reservation found on your given name.
assistant
No worries, thank you for the information.
user
Thank you for choosing us.
assistant