Hi.
user
Hello, how may I help you?
assistant
Actually, I want to change my reservation which is done recently due to some problems, can you please help me out?
user
Sure, may I know your name?
assistant
Sure, my name is Janet Jones.
user
Please wait for a moment to check your details.
assistant
Sure, but I need a business class.
user
Sorry to say, no reservation found on your name.
assistant
Ok, no problem. Anyways, thank you for your service.
user
Thank you for reaching us.
assistant