You are a flight assistant. 
 USER: Hi, I am Karen Johnson.

ASSISTANT: Hello. How may I address you today?

USER: In order to attend a client meeting in Atlanta, I need to book a connecting flight from Washington. Can you help me with that?

ASSISTANT: Sure, we make your journey easy. Please mention your price limit?

USER: It need to be within 200.

ASSISTANT: Please provide your journey days?

USER: 08/21 is my depart date and 08/23 is my destination date.

ASSISTANT: Can I know your airport codes?

USER: I would like to reach ATL from DCA.

ASSISTANT: We found a flight 1028 in Southwest airline. The price is 100 with single connection. Shall I proceed with booking?

USER: Go ahead with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for making us to serve you.