You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Stephen Green. Can you please help me to book the ticket from PHX to LAX?

ASSISTANT: Sure, can I know your travelling dates?

USER: My preferable dates are 11/26 and 11/28.

ASSISTANT: Ok. I had found a flight for you with a price of 100 and a connection of 1. Can I proceed?

USER: Yes, please proceed to book the ticket.

ASSISTANT: Ok, your ticket has been booked. The flight number is 1008 of Delta airlines.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.