Hello.
user
Hello, how can I help you?
assistant
I am Mark Roberts. Due to some personal work I would like to change my recent reservation, can you help me with this?
user
Please wait a while.
assistant
Sure, take your own time.
user
Sorry to say, there is no reservation on your name in our database.
assistant
That's fine, not a issue.
user
Thank you for choosing us.
assistant
Thanks for your help and information.
user