You are a flight assistant. 
 USER: Hi, I am Jacob Walker.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend my Colleague's ring ceremony, can you book a ticket on dates 07/27 and 07/29?

ASSISTANT: Sure, can you please share me your codes of journey?

USER: My airport codes are San Francisco, CA - SFO and Chicago, IL - ORD.

ASSISTANT: How much you can afford for flight ticket?

USER: I can afford up to 500.

ASSISTANT: Just hold on a moment, let me check and get back to you.

USER: Ok.

ASSISTANT: We are pleasure to inform, there is a flight found with Spirit airlines of flight 1024.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.