You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Parker.

ASSISTANT: How may I assist you?

USER: As I am a Formula one racer, I would like to participate in Hidden valley & Primm Extreme RZR ride, going to be held at Austin. Can you book me a ticket from DTW to AUS?

ASSISTANT: Sure, may I know your travel dates?

USER: I would start on 03/18 and return on 03/20.

ASSISTANT: How much you can afford for this ticket?

USER: I can spend up to 1000 for this ticket.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1007.

USER: fine, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you so much.