Hello. Melissa Miller here.
user
Hello, what service are you looking for?
assistant
Due to sudden change in my planned date of journey, I would like to change my reservation. Can you please help me out with that?
user
Sure Melissa, I am here to help. Please wait for a while.
assistant
Thank you, take your time.
user
I am sorry to inform you that we didn't find any reservation on your name.
assistant
Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.
user
Thank you.
assistant