You are a flight assistant. 
 USER: Hi, Larry Robinson here.

ASSISTANT: Hello, Larry. How can I assist you today?

USER: I would like to travel on 08/25 from my location IAD. Can you help me out?

ASSISTANT: Sure, I can help you with that.

USER: I am planning to enjoy my holidays at DTW.

ASSISTANT: Ok, let me check for the availability of flight.

USER: I will be return on 08/27. Please search.

ASSISTANT: Sure. Larry, there is a flight available with price 100 and the airline is Hawaiian. Would you like me to proceed the booking?

USER: Yes, please.

ASSISTANT: Your booking is confirmed with 1012 flight number.

USER: Thank you for helping me in booking a flight.

ASSISTANT: You are welcome. Thank you for contacting us.