You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Dennis Martin. I am planning to book a ticket from ATL to EWR. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, may I know your journey dates please?

USER: I would like to travel on 04/26 and return back on 04/28.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Dennis, I found a flight in Spirit airlines with price 100. Shall I book the ticket for you?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1025.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.