You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket with the name Jeffery Turner, can you book me a ticket with price under 500?

ASSISTANT: Sure, please provide your connection limit.

USER: Ok, I need a connection in between.

ASSISTANT: Ok, please provide your journey dates.

USER: I would like to travel from 01/23 to 01/25.

ASSISTANT: Ok, To proceed further, please provide your source and destination points.

USER: My source and destination codes are Phoenix, AZ-PHX and Boston, MA-BOS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There is an UA airline with flight number 1000. The price is 100. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.