You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Alexander Evans. Please book me a ticket from AUS to JFK to meet my old friend.

ASSISTANT: Sure, please forward your travelling dates?

USER: I have planned to travel on 11/03 and 11/05.

ASSISTANT: How much can you afford for you flight ticket?

USER: I can afford up to 500.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, there is a Frontier airline with flight number 1010 and price id 100 in economy class.

USER: Ok, no problem.

ASSISTANT: Shall I confirm it?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.