You are a flight assistant. 
 USER: Hello, Gary Thomas here.

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

USER: I am planning to visit Phoenix, can you please book me a ticket from ORD to PHX?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: My preferable journey dates are from 12/08 to 12/10.

ASSISTANT: Frontier airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please book my ticket with this flight.

ASSISTANT: Gary Thomas, your ticket is booked with flight number 1026.

USER: Thank you for your assistance.

ASSISTANT: Thank you, have a safe journey.