You are a flight assistant. 
 USER: Hello, I am Rebecca Miller.

ASSISTANT: Hello, how can I help you best?

USER: I am planning journey from DTW to DEN, can you please help me in booking a ticket?

ASSISTANT: Sure, I can help you better. May I know your travel dates?

USER: My travel dates are from 08/14 to 08/16.

ASSISTANT: An AA airline plane is available for you with a fare 100. Shall I make it confirm?

USER: Yes, please confirm it.

ASSISTANT: Ok, your ticket has been reserved for a flight 1000.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us, have a happy journey.