Hi.
user
Hello. How can I serve you today?
assistant
I want to change my existing reservation, can you please help me?
user
Sure, I will help you with that. May I know your good name please?
assistant
I am Benjamin Taylor here.
user
Please give me a moment.
assistant
Sure, I will wait.
user
There is no reservation found with your given name.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for choosing us.
assistant