You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight from DCA to watch base ball with my friend. Can you book a flight for me?

ASSISTANT: Sure, do you need direct flight or connecting flight?

USER: I want connecting flight.

ASSISTANT: Can you please share your destination airport code?

USER: My destination point is EWR.

ASSISTANT: On which dates you have planned to travel?

USER: I will travel on July 13 and return on July 15.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Can I know your name to proceed further?

USER: My name is Emma Anderson.

ASSISTANT: There is a Spirit airline with fare 100 and class is economy with flight number 1009. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.