Hello.
user
Hello, how can I assist you?
assistant
I am Michael Green, I had done my flight ticket reservation last week but due to raining in that city I want to change my reservation. Can you help me about it?
user
Sure, please wait a moment Green.
assistant
Ok.
user
Sorry to inform you that there is no reservation found on your name.
assistant
It's Ok, thank you for your service.
user
Thank you for choosing our service.
assistant