Hi.
user
Hello. How can I assist you now?
assistant
I am Melissa Walker. I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure Melissa Walker, I will help you with that. Please be hold on for a moment to check your reservation status.
assistant
Ok.
user
Sorry Melissa Walker, no reservation has found under your name to change.
assistant
No issue. Thank you.
user
Thank you for choosing us, have a good day.
assistant