Hello.
user
Hello, how may I support you today?
assistant
I would like to change my existing reservation, can you please help me?
user
Sure, please share me your good name.
assistant
My name is Jeffrey Campbell.
user
Please wait for a while.
assistant
Sure, I will wait for your response.
user
Sorry to say that, there is no active reservation found on your name.
assistant
No problem, thank you for checking.
user
Thank you for opting us.
assistant