You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Jerry Collins, want to book a flight ticket from Chicago, IL - ORD on 04/05. Can you assist me about it?

ASSISTANT: Definitely, may I know your destination airport code along with return date?

USER: Sure, my destination of the journey is Las Vegas, NV - LAS and I want to return on 04/07.

ASSISTANT: Wait for a while, I will get back to you.

USER: Ok, sure.But make sure price should not exceed 500.

ASSISTANT: UA airline is providing service on that route with flight-1004, ticket price is 100 and you will be having 1 connection.

USER: Sounds good.Please, book it for me.

ASSISTANT: Your ticket has been booked successfully, have a safe journey.

USER: Thank you for the booking.

ASSISTANT: Welcome, thank you so much for choosing our service.