You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I would like to travel from DFW to MSP, can you help me to book a flight ticket?

ASSISTANT: Your travelling dates please?

USER: My travel dates are Aug 09 and Aug 11.

ASSISTANT: Do you need connection flight are direct flight?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your name please?

USER: I am Mark Rodriguez.

ASSISTANT: I am sorry no flights found on your route as per your requirement.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.