Hello.
user
Hello. How may I aid you today?
assistant
I want to change my existing reservation which is done recently due to some problems, can you please help me?
user
Please wait a moment.
assistant
Sure, I will wait.
user
Can you please mention your name.
assistant
Sure, my name is Stephen King.
user
Sorry, Stephen King there are no active reservations found on your name.
assistant
Ok, that's fine. Anyways, thank you for your service.
user
Thank you for choosing our service.
assistant