You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have a poker tournament to participate at Nevada Las Vegas. Please find the availability of flights.

ASSISTANT: Sure, can you give a quick brief of your details?

USER: I am planning to travel from PHL on 07/19.

ASSISTANT: May I know your destination code and travelling date?

USER: I would like to leave from LAS on 07/21.

ASSISTANT: There is a flight with 1 connection in AA airlines. May I know your name please?

USER: My name is Joshua Evans.

ASSISTANT: May I proceed?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked with 1021 flight number.

USER: Thank you for your help.