You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me to book a flight ticket from DTW to OAK?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travel dates are Apr 26 and Apr 28.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer connecting flight on this route.

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 Karen Evans.

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

USER: Sure.

ASSISTANT: AA airlines with flight 1008 is providing a connecting flight and ticket costs you 200 in economy class.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is confirmed Karen Evans. Flight departs at 11:00 hours and arrives at 6:00 hours.

USER: Thank you.

ASSISTANT: Thank you for choosing us.