You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gary Green.

ASSISTANT: How can I help you Green?

USER: Can you please book a flight ticket from LAS to JFK?

ASSISTANT: Could you please mention your travel dates?

USER: Sure, I need to travel on dates of 10/20 and 10/22.

ASSISTANT: There is a flight 1010 from AA airlines  available for you.

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.