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