Hello.
user
Hello, how may I help you?
assistant
I am Stephanie Carter. Due to an emergency meeting I want to change my existing reservation. Can you please help me with it?
user
Sure, I will help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation found on your given name.
assistant
OK, not a problem.
user
Thanks for choosing us.
assistant
Thanks for the information.
user