Hello.
user
Hello, how can I assist you today?
assistant
I am John Green. Previously I have made a flight ticket booking and due to some reasons the trip got postponed, can you please help me in flight ticket modification process?
user
Sure, please wait for a while.
assistant
Thank you for accepting my request in positive manner and I can wait for your response.
user
Sorry, there was no reservation found with your given name.
assistant
Ok, no problem with that one. I think it is not booked properly while I was booking. Thank you for your information.
user
Thank you for opting us.
assistant
Welcome.
user