You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: My name is Edward Baker. I want to book a flight from LAS to CLT, can you please help?

ASSISTANT: Sure, can you share your trip dates?

USER: I will start my trip on Dec 10 and finish on Dec 12.

ASSISTANT: Do you have any specifications?

USER: I want a connecting flight with price limit 500.

ASSISTANT: There is a connecting with number 1019 in airline AA, the fare is 200. Can I book it?

USER: Please confirm this flight for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.