You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you now?

USER: Gary Roberts here.

ASSISTANT: Welcome to our agency, Gary Roberts.

USER: I want to fly from HOU to DFW. Can you check the flight availability for my journey? My planned travelling dates are 01/08 and 01/10.

ASSISTANT: Gary Roberts, may I know your travelling dates? Ok, please tell me your return and depart time?

USER: Make sure that, my return time should be in morning only.

ASSISTANT: May I know your connection limit?

USER: I want a flight with maximum connection of 1.

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

USER: Sad to hear that one, anyway thank you for the immediate response and providing the information.

ASSISTANT: Thank you for choosing our services. Have a safe journey.