Hello.
user
Hello, how can I help you?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Sure, may I know your name?
assistant
I am Anna Allen.
user
Please wait a moment.
assistant
Sure.
user
Sorry, no reservation found on your name.
assistant
That's ok, thank you for giving information.
user
Thank you for opting us.
assistant