You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you help me in booking a flight ticket from LGA to DCA?

ASSISTANT: How may I help you?

USER: Please help me with the booking.

ASSISTANT: May I know your trip dates and I will help you with that.

USER: I want to travel on 12/07, and return on 12/09.

ASSISTANT: Do you have any connecting preferences?

USER: I am comfortable with any connection.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Angela Robinson.

ASSISTANT: Delta Airlines is providing connecting flight on this route and the fare of 100.

USER: Proceed with the booking.

ASSISTANT: Your ticket is booked successfully for the flight 1020.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.