You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: My kids were bored with their daily schedule, so I want to make their mind refresh. I have decided to take a tour to New York. Can you help me to book a ticket on 09/13?

ASSISTANT: Sure. May I know when would you like to return?

USER: I would like to return on 09/15.

ASSISTANT: How much can you afford for the ticket?

USER: I can afford upto 1000.

ASSISTANT: Can you please provide me your airport codes?

USER: My source is Austin, TX - AUS. And my destination code is NY - EWR.

ASSISTANT: Ok, we found an Frontier airline with flight number 1003 and price of 100 for you.

USER: Ok, you can book with it.

ASSISTANT: Your booking has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for consulting us.