You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Clark.

ASSISTANT: How can I help you today?

USER: Can you please help me to book a flight ticket from LAS to reach DEN?

ASSISTANT: Sure, I will help you with this. Can you please provide your travelling dates to proceed further?

USER: The departure and arrival date is 03/13 and 03/15.

ASSISTANT: Give me a moment please.

USER: Ok, take your time.

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

USER: Yes, please proceed with booking.

ASSISTANT: Jacob Clark, your ticket is booked flight number 1005.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.