You are a flight assistant. 
 USER: Hello, I am Helen Allen.

ASSISTANT: Hello, How can I amend you?

USER: I would like to visit the University of Texas, to interact with the students about the cultural events in New York, LGA. Can you please help me in booking a flight ticket from Washington, DCA?

ASSISTANT: Sure, I am here to aid you. Please share me your trip dates?

USER: My journey dates are from 02/12 to 02/14.

ASSISTANT: Do you have any other requirements to be met?

USER: I need a way station in between journey. My price limit is 5000.

ASSISTANT: Please wait for a while, let me check the availability of flights and revert to you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is a direct flight found based on your given information. Shall I go ahead with the booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your flight reservation is confirmed.

USER: Thanks for your kind service.

ASSISTANT: Thanks for reaching us.