You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please book the flight ticket from HOU to MSP?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My trip dates are 03/18 and 03/20.

ASSISTANT: Ok, could I have your name please?

USER: Jacob Johnson here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Sorry, there is no flights on your requested travelling dates.

USER: That's ok, thank you for the information.

ASSISTANT: You are welcome, have a great day.