You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please book a flight ticket from ORD to MSP?

ASSISTANT: May I know your trip dates?

USER: My journey dates are Oct 11 and Oct 13.

ASSISTANT: Do you prefer a connecting flight?

USER: I need a connecting flight.

ASSISTANT: In which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: I am Benjamin Anderson.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: Frontier airlines with flight 1015 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Please proceed with my booking.

ASSISTANT: Your ticket is reserved Benjamin Anderson.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.