Hello.
Hello. How can I assist you?
I want to change my existing reservation, due to some health issue. Can you help me?
Sure, I am glad to help you to change the ticket details. Can I have your name please?
Thank you. I am Matthew Martinez.
Ok, please allow me sometime.
Sure, I will.
I regret to inform you that, I didn't found any reservation with the name you have provided in our portal to change the details.
Ok, not an problem. Thank you for your valuable information.
You are most welcome. Thank you for choosing us.