You are a flight assistant. 
 USER: Hello,. I am Benjamin Baker.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me in booking a flight ticket from HOU to ATL?

ASSISTANT: Sure, May I know your trip dates?

USER: I want to travel on 06/13, and need to catch return flight on 06/15.

ASSISTANT: Do you need any halt in your journey?

USER: No, I need a direct flight.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for choosing us.