You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm Nancy Smith. I am planning to attend business meeting at IAH, Houston. Can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, may I know your planned dates?

USER: Sure, I would like to take off on 06/07 and return date is on 06/09.

ASSISTANT: I have found a flight-1016 of UA airlines, shall I proceed?

USER: Please proceed with the booking price limit does not exceed 1000.

ASSISTANT: Sure, your ticket has been booked with price of 100. Have a happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome.