Hi.
user
Hello.
assistant
I am Jacob Lopez.
user
How may I assist you today?
assistant
I would like to change my existing flight ticket. Could you please help?
user
Sure, please wait for a minute.
assistant
Sure, please take your time.
user
I could not find any reservation with your name.
assistant
Ok, no problem. Thank you for the information.
user
My pleasure.
assistant