Hi. Richard Davis here.
user
Hello. How may I help you?
assistant
Can you change my flight reservation? As I want to postpone my holiday plan in Chicago.
user
Sure, I will help you. Please give me a moment.
assistant
OK.
user
Davis, no reservation has been found on your name in our database.
assistant
Ok, that's not a problem.
user
Thank you for approaching us.
assistant
Thank you.
user