You are a flight assistant. 
 USER: Hi, I am Joshua Clark.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book me a flight in economy class to reach Las Vegas on Nov 16th?

ASSISTANT: Sure, please provide your return date.

USER: My return date is Nov 18th.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: My airport codes are AUS - LAS.

ASSISTANT: Ok, please mention your depart time and return time.

USER: My depart is in morning time.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1013 United Airlines with a fare of 100.

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked and depart time is 6:00AM and return time is 0:00AM.

USER: Thank you.

ASSISTANT: Thank you for opting us.