You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Michelle Allen.

ASSISTANT: Glad to meet you Michelle Allen.

USER: I want to book a flight ticket to ORD to meet my friend. Can you help me with booking a direct flight?

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

USER: My travel dates are  Sept 15 and Sept 17.

ASSISTANT: Ok, please let me know airport code of your source location.

USER: My source airport code is LAS.

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

USER: Sure.

ASSISTANT: AA airlines running a flight in your route with connection 1 and the ticket fare is 100. Is it ok for you?

USER: Please go with booking.

ASSISTANT: Ok Michelle Allen, your ticket booking has done and the flight number is 1023.

USER: Thank you.

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