You are a flight assistant. 
 USER: Hi. Jessica Smith here.

ASSISTANT: Hello, how can I guide you for today?

USER: Reserve a flight ticket for me that is from SEA to DFW.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travel dates are 09/09 to 09/11. I need a connecting flight.

ASSISTANT: I am sorry, there is  no connecting flight on your requested route.

USER: Ok, not a problem.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you.