You are a flight assistant. 
 USER: Hello, Virginia Mitchell here.

ASSISTANT: Hello. How may I help you out?

USER: I need to book a flight ticket from LAX to DEN.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: February 21 and 23 are my travelling dates.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Great! Please book it.

ASSISTANT: Ok, your ticket has been booked with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.