Hello. My name is Benjamin Campbell.
user
Hello, how may I serve you?
assistant
I want to change my existing reservation due to sudden change in my trip.
user
Ok.
assistant
Can you help me in change reservation?
user
Sure, please hold on a moment.
assistant
Ok.
user
Thanks for your time, there is no reservation found on your name.
assistant
Ok, No issues. Thank you.
user
Thank you for approaching us.
assistant