You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, please tell me for what help you approached us?

USER: My name is Andrew Brown. I have to sell my house at Austin. Can you help me in booking a ticket to Austin?

ASSISTANT: Sure, may I know your origin and destination codes?

USER: The airport codes are LAS and AUS respectively.

ASSISTANT: Sure, may I know your travelling dates?

USER: I am planning my journey on dates 08/26 and 08/28.

ASSISTANT: The Frontier airline with flight number 1002  is available having price as 100 and connection as 1. Shall I proceed booking?

USER: Please book the ticket.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your favour.

ASSISTANT: Thank you for approaching us.