Hello.
user
Hello. How can I assist you?
assistant
I am Nicholas Harris, I want to change my reservation to save some money. Can you change my reservation to get a new flight under fare of 200?
user
Sure. Please wait a while.
assistant
Sure.
user
Thanks for your  time. We didnt found any reservation by this name.
assistant
Thank you for the information.
user
Thank you for choosing us.
assistant