Hello.
Hello. How can I help you today?
Due to sudden health issue, I would like to change my reservation. Can you please help me out with that?
Sure, I am mirthful to help you with that.  May I know your name please?
Thank you, I have done my reservation on the name of Linda Lopez.
Please wait for a while, let me check your previous reservation status.
Sure, take your time.
Thank you for waiting. There is no reservation found on your name in our database to change it.
Oh! I think the ticket was not booked properly while I am booking. Anyway, thank you for checking.
Thank you for reaching us, have a great day.