Hello.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation due to postpone of my meeting dates. Can you please help me in that?
user
Sure, I am here to help you.
assistant
Thank you.
user
Can you please mention your name?
assistant
William Garcia here.
user
Please wait for a while, let me check the availability of the flights.
assistant
Ok.
user
Sorry, no reservation found on your name.
assistant
Ok, no problem.
user
Thank you for opting us.
assistant
Thank you for checking.
user