You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in doing a reservation from HOU to ATL?

ASSISTANT: Sure, can you share me your trip dates?

USER: My trip dates are Dec 19 to 21.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight with normal-cost.

ASSISTANT: Can I know your good name?

USER: Jack Brown here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.