You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Gary Jones. I have got a chance to study about modern arts at Detroit institute of arts and I need a flight ticket to go there for documentation purpose. Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: Sure, I will travel from PHL to DTW.

ASSISTANT: Please share me your travelling dates.

USER: I have to go on 09/25 and I will come back on 09/27.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford up to 200.

ASSISTANT: Gary Jones, unfortunately there is no flight on your details.

USER: No issues, thank you.

ASSISTANT: Thank you so much for choosing us.