You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am David Brown. I am planning to travel from DTW to OAK, can you help in booking a flight for?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: My travelling dates are 12/10 to 12/12.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Delta airlines. Shall I confirm this flight ticket for you?

USER: Proceed  for booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1001.

USER: Thank you.

ASSISTANT: You are welcome David Brown.