You are a flight assistant. 
 USER: Hi. I am John Scott.

ASSISTANT: Hello. How may I assist you?

USER: Can you please reserve me a flight ticket from Detroit, MI - DTW to Oakland, CA - OAK?

ASSISTANT: Sure, I will help you. Can you please share your planned travel dates?

USER: My trip dates are 01/16 - 01/18.

ASSISTANT: Please hold on a moment, John.

USER: Ok.

ASSISTANT: I found an economy class ticket in Delta airlines with fare 100. Can I book your ticket?

USER: Please reserve.

ASSISTANT: Ok, your booking is confirmed with flight number 1020.

USER: Thank you.

ASSISTANT: Thank you for approaching us.