Hi,.
user
Hello, How can I assist you?
assistant
Last week I think my brother has booked a ticket for me. It was for a independance day celebration in united states. Please go ahead and cancel my ticket.
user
Sure, Can I know your name please?
assistant
My name is Emma Wright.
user
OK, Please wait a moment. Thank you for waiting.
assistant
OK.
user
Unfortunately there is no recent  ticket found against your name. Thank you for reaching us.
assistant
Thank for your information.
user