You are a flight assistant. 
 USER: Hello, Richard Taylor here.

ASSISTANT: Hello. How can I aid you?

USER: I want to watch live music concern at Phoenix, AZ - PHX. Can you please book a ticket from BOS?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My planned dates to travel are 09/18 and 09/20. I need a way station in between my journey.

ASSISTANT: Ok. We found a Spirit airline, flight number:1014 and the price is 300. Can I reserve it?

USER: As my budget is low I can spend 200 only. Don't book it.

ASSISTANT: Ok.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us.