You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Stephanie Carter here.

ASSISTANT: How may I provide you assistance?

USER: Can you find a flight for my business trip from Houston to Las Vegas?

ASSISTANT: Sure, can you please let me know your airport codes?

USER: I will takeoff from IAH and my landing airport will be LAS for the following trip.

ASSISTANT: Could you please share your travelling dates?

USER: My takeoff date will be 09/09 and my landing date will be on 09/11.

ASSISTANT: Thank you for your details, please wait for a moment.

USER: Can you check the flights within 500, as my budget for this trip ticket is only 500.

ASSISTANT: Sure, I have found a flight-1011 of UA airlines with price of 100. Shall I proceed with booking?

USER: Ok, proceed with my booking please.

ASSISTANT: Your ticket has been booked, have a happy journey.

USER: Thank you for helping me.

ASSISTANT: You are welcome.