You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: I am Debra King. I would like to book a flight ticket to Washington DC - DCA to visit National Mall for shopping with my friends. Can you assist me to book a ticket?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your take off airport code?

USER: My boarding point is at Minneapolis, MSP.

ASSISTANT: When you are planning to make your journey?

USER: I want to leave on 04/22 and return back on 04/24.

ASSISTANT: May I know at what price you are looking for airfare?

USER: My fare limit is 500.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: We found a Hawaiian airlines, flight number 1003, and the fare of 100. Shall I proceed?

USER: Ok, please confirm it.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.