Hello.
user
Hello, how may I help you?
assistant
My name is Jonathan Lewis, I already make a reservation and I got a business class flight ticket. Can you change my reservation so I can get economy class?
user
Sure, I am here to help you. Please wait for a while, I will check and get back to you.
assistant
Sure, I will wait for your reply.
user
Sorry, no reservation found on your given name.
assistant
Ok, thank you for the information.
user
Thank you for choosing us.
assistant