You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please share your journey dates?

USER: My planned trip dates are Feb 20-22.

ASSISTANT: Do you have any specifications?

USER: I prefer a connecting flight.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: Jonathan Allen.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.