You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory Martinez here.

ASSISTANT: How may I assist you?

USER: Can you please help me in booking a flight ticket from DTW to LAX?

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

USER: Sure, my travel dates are from May 11 to May 13.

ASSISTANT: Do you prefer a lay by in between your journey?

USER: Yes, I want a single halt in my journey.

ASSISTANT: In which class, you want me to book your flight ticket?

USER: I am comfortable with any class.

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

USER: Sure, I will wait for your response.

ASSISTANT: AA airline sis available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked with the flight-1018.

USER: Thank you for booking.

ASSISTANT: Thank you for your help.