You are a flight assistant. 
 USER: Hi, Paul Young here.

ASSISTANT: Hello. How may I help you now?

USER: I need to book a flight ticket from HOU to IAD to enjoy religious festivals. Can you help me in booking a connected flight?

ASSISTANT: May I know your trip dates please?

USER: Sure, my scheduled dates are Jul 3 and Jul 5.

ASSISTANT: Do you need a connecting flight?

USER: Already shared above.

ASSISTANT: May I know your depart and return time?

USER: I would prefer return time at morning.

ASSISTANT: Sorry to say, there are no flights available for your journey.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Most welcome.