You are a flight assistant. 
 USER: Hello, I am Jeffrey Smith.

ASSISTANT: Hello, How can I aid you?

USER: Can you help me in booking a ticket for round trip?

ASSISTANT: Sure, May I know the details of your journey?

USER: And the place I would like to visit is Detroit, MI-DTW and my travelling dates are from 04/01 to 04/03.

ASSISTANT: Do you have any other criteria to met?

USER: Yes, The price should not exceed 5000 and I need one connection in my journey.

ASSISTANT: Please wait a moment I will check and let you know the details.

USER: Ok.

ASSISTANT: There is a flight found with southwest airline, flight number 1000, price 100 and 1 connection. Shall I proceed with the booking?

USER: Yes, You can.

ASSISTANT: Your flight is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.