You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Allen.

ASSISTANT: How may I assist you?

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

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: My trip dates will be Aug 19th to Aug 21st.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: May I know your specific timings of your journey?

USER: My return time should be in the afternoon.

ASSISTANT: Do you have any other requirements?

USER: I prefer a normal cost airline.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Kathleen Allen, no flights has been found on your given details.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.