Hi.
user
Hello, how can I help you?
assistant
I want to change my existing reservation, can you please help me in this?
user
Sure, I can help you with that. May I know your good name please?
assistant
Sure, my name is Jason Smith.
user
Ok, please wait for a while.
assistant
Sure, I will wait.
user
Jason Smith, there is no active reservation found under your name to do changes in that.
assistant
Ok, not an issue. Anyways, thank you for your service.
user
Thank you for choosing us.
assistant