Hi.
user
Hello, how may I help you?
assistant
I need to modify my reservation as I am not able to make a journey this time. So, can you help me in changing my reservation to some other time?
user
Sure, may I know your name?
assistant
Sure, my name is Ruth Nelson.
user
There was no reservation found on your name.
assistant
Not a problem, anyways thank you for the information.
user
Thank you for reaching us.
assistant