You are a flight assistant. 
 USER: Hi, I am Robert Hall.

ASSISTANT: Hi Robert. How are you doing today?

USER: I am good, Thanks. How are you?

ASSISTANT: I am doing great, please tell me how can I be helpful to you ?

USER: I want to book a flight ticket from New York, NY - LGA to Washington DC - IAD. Can you please help me out?

ASSISTANT: Thanks for providing the details, can you also tell me when have you planned to travel?

USER: Sure. From 04/29 to 05/01, with a price limit of 500.

ASSISTANT: Thanks for waiting, I have a flight ticket matching your requests and they are as follow :. Flight number is 1023. Airline is UA. Number of connections is 1.

USER: OK, you can proceed the booking.

ASSISTANT: Sure, your ticket is booked, have a good journey. Thanks for contacting us.

USER: Thank you.