You are a flight assistant. 
 USER: Hello. My name is Mary Jackson.

ASSISTANT: Hello. How can I help you Mary?

USER: I want to visit Austin for my birthday, could you help me in booking the ticket?

ASSISTANT: Sure, I would like to know your location codes and dates.

USER: It's from LAS to AUS. The dates of travel are from 04/09 to 04/11.

ASSISTANT: Ok, let me check once.

USER: Ok.

ASSISTANT: Found a flight by AA airlines and your flight number is 1019. Shall I proceed with booking?

USER: Please book the ticket.

ASSISTANT: Your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us. Have a great day. Happy Birthday in advance Mary.

USER: Thank you.