You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: My name is Joseph Brown. I am planning to go to IAH from LAS, can you help me to book a flight?

ASSISTANT: May I know your required dates?

USER: Sure, my journey dates are 03/27 to 03/29.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I found a flight for you with flight number 1015 and airline is Southwest.

USER: Please proceed.

ASSISTANT: Your booking is confirmed. Thank you for choosing us.

USER: Thank you for the booking.