Hello.
user
Hello, how can I help you?
assistant
I am Jessica Green. I want to change my existing reservation due to sudden change in my trip dates. Can you please help me with this?
user
Sure, I will help you.
assistant
Thank you.
user
Sorry to say, there is no reservation on your name in our database.
assistant
No problem, thanks for your information.
user
Thank you for opting us.
assistant