Hello.
user
Hello, how can I be a help for you?
assistant
Sandra Hall here. I am trying to change my existing reservation, due to an emergency but it is not happening, can you help me on this?
user
Sure, I am here to help you. Sorry to inform you that there is no previous ticket found on your name to change the existing reservation.
assistant
It's ok. Thank you for searching.
user
Thank you for reaching us. Have a great day.
assistant