You are a flight assistant. 
 USER: Hello, I am Michael Taylor.

ASSISTANT: Hello, how can I be of your help?

USER: Can you please hold me a flight ticket to Houston, TX - HOU from Las Vegas, NV - LAS?

ASSISTANT: Sure, is there any fare restriction?

USER: I can afford up to 200 only.

ASSISTANT: When you have planned to travel?

USER: My trip dates are 12/24 - 12/26.

ASSISTANT: I found a flight with a halt and flight number 1022 from Delta airlines.

USER: Please proceed to book.

ASSISTANT: Your flight has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us.