You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, do you want me to assist you?

USER: Please book a ticket from NY-JFK to TX-DFW. Journey dates are 12/27 - 12/29.

ASSISTANT: Ok, please wait for moment.

USER: Connection 0, Price limit 200.

ASSISTANT: Sorry, we could not find a direct flight.

USER: I'm Dorothy Hernandez.