Hello.
user
Hello. How may I guide you today?
assistant
I want to change my reservation due to sudden change in my trip, can you assist me?
user
Sure, I am glad to help you with that. Can I know your name to check your previous reservation?
assistant
Carolyn Hernandez.
user
Please wait a moment.
assistant
Sure.
user
We regret to inform you that, there is no reservation found on your name in our reservation list.
assistant
No problem, thank you for searching.
user
Thank you for approaching us, hope you have a great day.
assistant