You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to book a flight ticket from DCA to BOS?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are May 31 to June 2.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: May I know your name?

USER: Ruth Roberts.

ASSISTANT: AA airlines with 1028 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved Ruth Roberts. Flight departs at 14:00 hours and arrives at 11:00 hours.

USER: Thank you.

ASSISTANT: Thank you for choosing us.