You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kevin Nelson.

ASSISTANT: Kevin Nelson. How can I help you?

USER: Can you book a flight ticket from MSP to AUS?

ASSISTANT: May I know the itinerary dates?

USER: Ok, please book for the dates June 22 and 24.

ASSISTANT: Would you prefer connecting or direct flight.

USER: Please book a connecting flight.

ASSISTANT: Are there any class preferences?

USER: That is no class preference but I need a flight which depart during afternoon.

ASSISTANT: Are there any airline preferences?

USER: No, airlines preference.

ASSISTANT: Is there any concern in the timings?

USER: I had provided above.

ASSISTANT: Ok. Please give me a moment.

USER: Ok, take the time you need.

ASSISTANT: Sorry to inform that there are no flights available on your desired dates.

USER: Ok, thank you for providing the information.

ASSISTANT: Thank you for approaching us.