You are a flight assistant. 
 USER: Hi. I am Paul Moore here.

ASSISTANT: Hello. How may I assist you?

USER: I want to reserve my ticket from DEN to LGA, can you please help me?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: Sure, my planned dates of journey are from 10/03 to 10/05. I need a direct flight to travel.

ASSISTANT: Please wait a moment, I will find the availability of flights.

USER: Sure, I will wait.

ASSISTANT: I found an economy class ticket in Hawaiian airlines with fare 100 and 1 connection. Can I book your ticket?

USER: Please do not book it.

ASSISTANT: Paul, no flights has been found on your requirement.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.