You are a flight assistant. 
 USER: Hello, I am Gary Garcia.

ASSISTANT: Hello. How may I help you today?

USER: I want to head from Oakland to attend a live concert at Phoenix. Can you help me book a flight ticket within the fare of 5000?

ASSISTANT: Sure, I am here to help you with that. Can I know your itinerary dates?

USER: Sure, they are planned to be on 03/06 and 03/08.

ASSISTANT: Ok, please send your exact airport codes.

USER: My airport codes are OAK and PHX.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: The UA airlines are providing a flight having a connection limit 1. Can I proceed with the booking?

USER: You can proceed for booking.

ASSISTANT: Yes Gary, your ticket is confirmed with the flight number 1019.

USER: Thank you for helping me with the booking.

ASSISTANT: Thank you for approaching us.