You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Dennis Brown, want to travel from DTW to DTW. Please help me in booking my ticket.

ASSISTANT: Sure, on which dates you are planning to travel?

USER: Sure, my trip dates are from 04/16 to 04/18.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Frontier airlines. Would you like to book this flight for your journey?

USER: Please book this ticket for me.

ASSISTANT: Your ticket is booked in 1023 flight.

USER: Thank you.

ASSISTANT: Most welcome.