You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amy Allen. I am looking to book a flight ticket to meet my friend in Las Vegas. Can you help me for booking a flight ticket from HOU to LAS?

ASSISTANT: Sure, I will help you to book a flight ticket.

USER: Thank you.

ASSISTANT: Ok, please share me your travelling dates to search a flight for you on your travelling dates.

USER: My travelling dates are 09/13 and 09/15.

ASSISTANT: Please give me a moment.

USER: I need a direct flight for my journey.

ASSISTANT: As per your request, I found a direct flight for you. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1019 and airline is Spirit.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.