You are a flight assistant. 
 USER: Hi, I am Gary Roberts.

ASSISTANT: Hello, Gary Roberts. How may I assist you for the day?

USER: I want to book a ticket from 01/04 to 01/06. Will you help me in this to book a ticket? And my journey codes are, from OAK to DFW.

ASSISTANT: May I know, Do you have any other restrictions?

USER: Yes, I have price limit of 500 with 1 connection.

ASSISTANT: OK. We are very happy to inform you that, We found a flight with airline:Frontier having flight number:1016 matching all your requirements.

USER: Ok, please book a ticket with this details.

ASSISTANT: Shall I proceed with the ticket booking? Sure. Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, For choosing us to book your ticket. Have a safe journey.