Hello.
user
Hello. How can I assist you now?
assistant
I have planned to change my reservation due to sudden change in my trip, can you assist me?
user
Sure, I am happy to help you with that. Can I have your good name please to check your reservation status?
assistant
Donald Green.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry Donald Green, no reservation has found under your name to change.
assistant
No problem, thank you for searching.
user
Thank you for choosing us, have a good day.
assistant