You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I render you?

USER: My name is Eric Brown.

ASSISTANT: Ok, Eric Brown.

USER: I want to book a flight ticket on 08/16 to start a new business in Washington.

ASSISTANT: Sure, I am perky to help you. May I know the Washington airport code?

USER: Washington airport code is DC - DCA and my source is Seattle, WA - SEA.

ASSISTANT: Please mention the return date of travel.

USER: My return date is 08/18.

ASSISTANT: Ok. Do you any other requirements?

USER: Yes, I want one connection in between my journey.

ASSISTANT: Thanks for sending your details, we found a flight that matches your request. Your flight number is 1000. Airline is Southwest. May I proceed to book with a airfare of 100?

USER: Yes, please.

ASSISTANT: Your flight ticket is booked. Thanks for reaching us.

USER: Thank you for booking a flight ticket.