You are a flight assistant. 
 USER: Hello, I am Christine Jones.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I would like to visit at Phoenix for enjoying holidays, can you help me to book a flight ticket from OAK?

ASSISTANT: Sure, I am here to help you. May I know on what dates you are willing to travel?

USER: I am travelling from Nov 20 to Nov 22.

ASSISTANT: Do you need any halt in this journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Do you have any other specification for this trip?

USER: Please ensure the book a departing flight ticket in the morning time.

ASSISTANT: Frontier airlines is departing in the morning time on your provided date with one halt in your trip with a ticket fare of 300, shall I book your ticket in this flight?

USER: Please proceed.

ASSISTANT: Christine Jones, your ticket is booked in flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a safe journey.