You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I'm Ruth Green.

ASSISTANT: How may I help you today?

USER: Is there any ticket available from WA-SEA to TX-DFW. Travelling dates 02/26 - 02/28, with price 500 and connection 1.

ASSISTANT: Sure, can you please provide me your travelling dates? Is there any other requirements regarding on your journey?

USER: No.

ASSISTANT: Ok, please wait for a while I will get back to you. Thank you for being patience. I found flight on your preferences, flight_number:1007, airline: AA with direct flight.

USER: Please provide a ticket with connection 1.

ASSISTANT: Sorry to say this airline is having direct connection from SEA to DFW.

USER: Thanks for the help.