You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend a Marriage in Boston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travelling dates are June 08 and June 10.

ASSISTANT: Do you have any class preference?

USER: I want to travel in economy class.

ASSISTANT: From where you want to board?

USER: I want to board from Washington.

ASSISTANT: Can I know your name?

USER: My name is Scott Walker.

ASSISTANT: Please let me know your source airport code.

USER: My source airport code is DCA.

ASSISTANT: Do you have any preferences?

USER: I need single connecting flight.

ASSISTANT: You have a flight 1029 in Southwest airline and price 100 with a connection, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is confirmed in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you.