Hello.
user
Hello, how can I aid you today?
assistant
I am Donald Lee. I want to change my recent reservation due to emergency work. Can you help me with it?
user
Sure, please wait a moment.
assistant
Sure.
user
Sorry to inform, no reservation found with your name.
assistant
That's fine, thank you for your effort in checking my exiting reservation.
user
Thanks for reaching us.
assistant