Hello.
user
Hello.
assistant
I am Thomas Gonzalez.
user
How may I assist you?
assistant
I have decided to change my reservation due to my planned event got postponed another dates. So please help me with that.
user
Sure, I am here to help you out.
assistant
Thank you.
user
 Mary Martinez, we haven't found any reservation under your name in our database.
assistant
Oh! It may not be booked properly due to some technical issues. Anyway, thank you for your time.
user
Thank you for reaching us.
assistant