You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to visit Dallas, will you help me in booking the flight ticket from MSP to DFW?

ASSISTANT: Sure, I am gleeful to help you. May I know your travelling dates?

USER: My travelling dates are Oct 28 and Oct 30.

ASSISTANT: Is there any class preference?

USER: I always prefer business class.

ASSISTANT: May I know your name?

USER: Anna Turner here.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.