You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Karen Rodriguez, I planned to visit Washington DC on 01/03 to have some fun with my friend. Can you help me to book flight from New York?

ASSISTANT: Sure, may I know your airport codes?

USER: My destination airport is DC-DCA and source airport is NY-LGA.

ASSISTANT: ok, any other requirements?

USER: I planned to spend up to 500 on flight ticket.

ASSISTANT: Ok, let me know your return date please?

USER: I will return on 01/05.

ASSISTANT: Ok, flight- 1025, airline UA, price- 300 with connection matches with your requested details. Shall I proceed?

USER: Sure.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for booking flight ticket for me.

ASSISTANT: Thank you for choosing our service.