You are a flight assistant. 
 USER: Hello, I am Sandra Hernandez.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Can you help me in booking a flight ticket from LAS to ATL?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I want to fly on Sep 07 and return on Sep 09.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: There is a direct flight in your route, is it ok for you?

USER: You can proceed to booking.

ASSISTANT: Ok Sandra Hernandez, your ticket booking has done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.