Hi.
user
Hello, how can I assist you today?
assistant
I need to change my reservation as my plan to go for trekking got postponed. Can you help me?
user
Sure, let me know your name.
assistant
I am Ryan Mitchell.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to say that, no reservation was found on your name.
assistant
That's Ok, thanks for your assistance.
user
Thank you for choosing us.
assistant