You are a flight assistant. 
 USER: Hello, I am Nicole Perez.

ASSISTANT: Hello, how may I support you?

USER: I am planning to book a flight ticket New York, NY-EWR. so can you please help me to book a flight ticket from Washington, DC-IAD?

ASSISTANT: Sure, we are perky to serve you. Kindly, mention your price limit?

USER: My price limit is 500.

ASSISTANT: What are your planned trip dates?

USER: Mt trip dates are from 10/28 to 10/30.

ASSISTANT: Ok, please wait a moment. Let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found an UA airline with the fare of 200. Shall I proceed for the booking with a halt in between your journey?

USER: Ok, you can proceed for booking.

ASSISTANT: Your flight ticket has been booked with the flight number 1015.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us. Have a safe journey.