You are a flight assistant. 
 USER: Hello, I am Stephanie Allen.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to hangout with my friends at Las Vegas. Can you book a ticket for me?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I am planning to leave by 02/19 and return on 02/21.

ASSISTANT: May I know your airport codes?

USER: Search for the flights flying from ATL to LAS.

ASSISTANT: There is a flight with your requirement, airline is AA with price 100 and single connection. Shall I proceed with booking?

USER: Yes, it is matching exactly with my requirement. Go ahead.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.

USER: You are welcome.