Hello.
user
Hello, how can I be a help for you?
assistant
Melissa Mitchell here. Suddenly my friends changed the trip plan.So I want to change my reservation. Can you please help me for that?
user
Ok, please wait for a moment. Sorry, there is no previous reservation found on your name to change.
assistant
Any way, thank you for the information.
user
You are welcome. Have a great day.
assistant