Hello.
user
Hello. How may I help you out?
assistant
I am Thomas Martinez. I would like to change my existing reservation due to postpone of my event. Could you please help me?
user
Sure, I will help you in changing the ticket.
assistant
Thank you for accepting my request.
user
Sorry, there are no reservations found in our database.
assistant
No worries, thank you for the information.
user
Thank you for reaching us.
assistant