Hi.
user
Hello. How may I help you out?
assistant
I want to change my existing reservation which is done recently due to some health issues, can you please help me?
user
Sure, I will help you in changing the ticket.
assistant
Thank you.
user
May I know your name please?
assistant
Sure, my name is Robert Allen.
user
Sorry, there are no reservations found in our database.
assistant
Ok, no problem. Anyways, thank you for your service.
user
Thank you for choosing us.
assistant