You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Larry Jones here. I want to make a short visit to my father on Independence day, can you please help me to book a flight from HOU to DTW?

ASSISTANT: Can you please share your trip dates?

USER: I will start on July 4th and will return back on July 6th.

ASSISTANT: Do you prefer any connection limit?

USER: I am fine with a connecting flight.

ASSISTANT: May I know your departure and arrival time?

USER: Please look for a flight which returns back in the morning time.

ASSISTANT: Sorry no flights available on your route.

USER: No problem, thank you.

ASSISTANT: Thank you.