Hello.
user
Hello.
assistant
I am Samantha Smith.
user
What can I help you today?
assistant
My trip has been postponed, due to some issues. So, I need to change my reservation, will you help me?
user
Sure, wait for a minute. Sorry Smith, no reservation found on your name in our database.
assistant
It's fine. Anyway, thank you for your help.
user
Thank you for reaching us.
assistant
You are welcome.
user