You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning for a vacation with my family. Can you book a flight to Boston airport?

ASSISTANT: Sure, when are you planning to travel?

USER: I planned to travel on Apr 10 and return on Apr 12.

ASSISTANT: Do you prefer a flight with a connection or a direct flight?

USER: I like to travel in connecting flight.

ASSISTANT: May I know your source point?

USER: My source point is DCA.

ASSISTANT: Can I know your good name?

USER: My name is Frank Williams.

ASSISTANT: Thank you for your details, we found a connecting flight 1003 in Frontier airline. Shall I proceed with a class economy?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with depart time in the Afternoon 13:00PM and return time is in the Afternoon 15:00PM.

USER: Thank you for helping me.

ASSISTANT: Thank you.