You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with booking a flight ticket from BOS to DEN?

ASSISTANT: Sure, can you please share your trip dates?

USER: My travelling dates are from Apr 13-15.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me no your class preference?

USER: I prefer economy class.

ASSISTANT: Any other requirements to be met?

USER: I prefer normal cost airline.

ASSISTANT: May I know your name please?

USER: Sure, Karen Miller here.

ASSISTANT: Ok, we found connecting flight 1013 in Hawaiian Airlines with fare of 200. Shall I proceed with economy class?

USER: You can proceed with booing.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for the help.