Hello.
user
Hello, how can I help you today?
assistant
Due to sudden change in my trip dates I need to change my existing reservation.
user
Ok. I am here to help you.
assistant
Thank you.
user
May I know your name to check reservation?
assistant
I am Nicholas Robinson.
user
Please, wait for a moment.
assistant
Sure.
user
Thank you for your time, there is no reservation found on your name.
assistant
No problem. Thank you for the information.
user
Thank you for reaching us.
assistant