You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service that you are looking from our agency?

USER: I am Katherine Evans from Denver.

ASSISTANT: Nice meeting you Katherine.

USER: Thanks, nice to meet you too. I need your help in booking of a flight ticket from DEN to SFO for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I am glad to assist you with that. Can you please provide your preferable departure and return dates of travelling?

USER: I would like to take off on 09/03 and help me in return ticket also on 09/05.

ASSISTANT: Please wait a moment to check the flights availability and I will revert back with a best flight for you.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Hawaiian airlines. Shall I proceed with this?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok,  your ticket has been booked in flight number 1016.

USER: Thank you for your help in booking flight ticket.

ASSISTANT: Thank you for approaching us, hope you have a great journey.