You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit a Funfair exhibition in Washington, could you please help me in booking my flight ticket?

ASSISTANT: Sure, I will help you, may I know your travelling dates?

USER: I want to start my journey on 07/08 and end it on 07/10.

ASSISTANT: May I know your airport abbreviates?

USER: I would like to start at Chicago, IL - ORD to Washington, DC - DCA.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: There is a Southwest airline which matches your requirements.

USER: May I know the flight details?

ASSISTANT: Sure,the flight details are flight number:1006 and price of 100 with 1 connection. Shall I proceed with booking?

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.