Hello.
user
Hello. How can I assist you today?
assistant
I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure, may I know your name please?
assistant
Emma Gonzalez here.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, no reservation found on your name to change.
assistant
No problem, Thanks for the information.
user
Most welcome.
assistant