You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Catherine Collins here. Can you book my reservation from LAS to DEN?

ASSISTANT: Sure, I will help you with this. Can you please provide your travelling dates to for a better search of flights availability?

USER: My travelling dates are from 01/14 to 01/16.

ASSISTANT: Wait  a moment please.

USER: Sure.

ASSISTANT: Hawaiian airlines is available on this route with 2 connections limit, are you ok with this flight?

USER: Please check for 1 connection.

ASSISTANT: There is a flight-1012 with 1 connection limit, shall I book your ticket?

USER: Please book it.

ASSISTANT: Catherine Collins, your ticket is booked with Hawaiian airlines.

USER: Thank you.

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