You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Williams Evans.

ASSISTANT: How can I assist you Mr. Williams?

USER: I am looking for a flight in different agencies I didn't get any positive response from them. Now I am here, can you find the flight from Minneapolis to New York?

ASSISTANT: Yes Williams, we provide a very good service in booking the flights. You have selected the right agency for booking, may I know the airport codes to book the best flight available?

USER: I am bit frustrated because I didn't get a best flight satisfying my needs.

ASSISTANT: I can understand you issue, I will help you with the flight booking as you desire.

USER: Ok, my embark and disembark airport codes of my journey are MSP and LGA.

ASSISTANT: Ok, thank you providing your travel details. Please may I know the journey dates you prefer, so I can check with that dates?

USER: I want to airborne on 04/18 and return will be on 04/20.

ASSISTANT: Please, can you wait a moment while I check?

USER: Ok, make it fast.

ASSISTANT: Thank you for waiting for my response. I am extremely sorry as I had tried my best to provide a flight which matches your need but due to the heavy booking in the last hour all the flight is booked.

USER: You said that you will provide me a best service to me. Again I am facing the same from your agency too. What to do now? Check again with travel and location airport codes properly.

ASSISTANT: Ok, I can understand your problem but now there are no flights available. I will contact you through mail if there are any flight on your route.

USER: Fine, I will give you the bad rating in your website.

ASSISTANT: Please Williams, try to understand our problem we will surely help you if there where flight available.

USER: Ok, anyway thank you.

ASSISTANT: Thank you for connecting with our agency.