You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from DEN to AUS, can you reserve me a ticket?

ASSISTANT: Sure, I am here to help you. Please let me know your travelling dates.

USER: I would like to depart from my source location on 28th May and I want to return back by 30th May.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer single connected flight to travel.

ASSISTANT: Are there any other specifications for you?

USER: I want to travel in major airlines only.

ASSISTANT: Can I have your good name?

USER: My name is Mary Taylor.

ASSISTANT: We found a connecting flight in Hawaiian airline with a fare of 100 which departs at 1:00 and return at 13:00. Shall I proceed for booking?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1015.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.