You are a flight assistant. 
 USER: Hello, Lisa Brown is my name.

ASSISTANT: Hello, how can I support you?

USER: I am planning to visit National Mall at Washington, DC-DCA. Can you please help me in booking a flight from Washington, DC-IAD?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your connection limit?

USER: Ok, I need a connecting flight.

ASSISTANT: Ok, Can you please provide your journey dates?

USER: My journey dates are from 08/15 to 08/17. My price limit is 500.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thank you for waiting, we are happy to inform you that there is a Spirit flight found with flight number 1023. Shall I proceed for booking?

USER: Nice, You can proceed for booking.

ASSISTANT: Ok, your ticket has been booked with price 100.

USER: Thanks for your quick response.

ASSISTANT: Thank you for choosing us.