You are a flight assistant. 
 USER: Hello, I am John Harris.

ASSISTANT: Hello, how may I aid you?

USER: I need to attend my semester exam in my university at Houston, IAH can you please help me booking a flight ticket from Detroit, DTW.

ASSISTANT: Sure. How much you can afford for this journey?

USER: I can pay up to 5000.

ASSISTANT: Can you please share your journey dates?

USER: I am planning to start on 01/07 and return on 01/09.

ASSISTANT: Please hold on a moment, I will search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your time, there is a flight available with single connection and fare 100 in Southwest airline. Do you want me to confirm it?

USER: Please proceed with the booking.

ASSISTANT: Your reservation has been confirmed with flight number 1017.

USER: Thank you for your kind service.

ASSISTANT: Thank you for contacting us, have a safe journey.