Hi.
user
Hello.
assistant
Myself Michael Smith.
user
How can I help you?
assistant
Due to some reason, I am unable to travel on my previous dates. Can you change my reservaion?
user
Sure, please wait fro a while.
assistant
Ok.
user
Sorry, there is no reservation found by your name.
assistant
It's ok.Thank you for the information.
user
Thank you and have a nice day.
assistant