You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Welcome to flight booking agency, which service you would like to have from my end?

USER: I am planning to visit water focused urban park in DFW. So, can you please search a flight ticket from LAS?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: I have decided to start my journey on 08/14 and I am willing to start my return journey on 08/16 date.

ASSISTANT: Thank you for your details, please wait for a moment to check the availability of flight.

USER: Ok, sure take your time.I will wait for your response.

ASSISTANT: I have found a connecting flight 1009 from UA airlines, which is travelling to your preferred destination, can I proceed with booking?

USER: I am very happy to fly in this UA airline, you can confirm my ticket.

ASSISTANT: Sure, I have confirmed your ticket with UA airlines. May I know your name?

USER: John Wilson is my name. Thank you for booking my flight ticket within best airline.

ASSISTANT: Thank you for choosing us, have a nice day.