You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Jonathan Allen. Can you help me to book a flight with 0 connection limit?

ASSISTANT: Sure I am gleeful to help you. Could you please provide the codes of airport you want this booking for?

USER: My Source and destination airport codes are HOU and JFK respectively.

ASSISTANT: Noted, may I know the stating date of your journey?

USER: I would like start my journey from HOU on 06/26.

ASSISTANT: Ok, will you need a return ticket too?

USER: I will be return on 06/28 from JFK airport.

ASSISTANT: May I know your connection preference to proceed further?

USER: I need a direct flight.

ASSISTANT: sorry to say, no flights were available on your route.

USER: Ok, no issues.

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

USER: Thank you for your time.