You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a direct flight for my journey from PHX to HOU, can you please book my flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: I want to depart on Jan 6th and I would like to return back on Jan 8th.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: No, I prefer for a direct flight.

ASSISTANT: May I know your name please?

USER: My name is Jacob Anderson.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No problem. Anyway, thank you for the information.

ASSISTANT: Thank you for opting us.