Hi.
user
Hello. How can I assist you today?
assistant
Could you please change my existing reservation due to postpone of my trip?
user
Sure, I will help you with that. Please mention your name.
assistant
My name is Susan Robinson.
user
Please give me a moment.
assistant
Sure.
user
There is no reservation found under your name.
assistant
Not a problem, thanks for checking.
user
Welcome, have a great day.
assistant