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