You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you help me in booking flight ticket from SEA to HOU?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My trip dates are July 13 to July 15.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your good name please?

USER: Myself Steven Lopez.

ASSISTANT: Steven Lopez, there are no direct flight services are available on this route on your provided dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.