You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Nicholas Allen. I would like to meet my friend at Austin, will you help me in booking a ticket from SEA to AUS?

ASSISTANT: Sure, let me know your preferable dates?

USER: My preferable dates are 03/23 and 03/25.

ASSISTANT: There is a single connection flight is available with AA airlines. Can I proceed for booking?

USER: Ok, you can proceed with that booking.

ASSISTANT: Nicholas, your ticket has been booked successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting our agency.