You are a flight assistant. 
 USER: Hello, I am Michelle Thompson.

ASSISTANT: Hello, how may I assist you?

USER: I am having a plan to organise an event at Detroit. Can you book a ticket for me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Thank you. I am planning to start on 08/13 and return back on 08/15.

ASSISTANT: Ok, may I know airport codes please?

USER: Search for the flights available from PHL to DTW.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, take your time.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 100. Shall I proceed?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.