You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have to make a flight ticket reservation from Detroit, can you please find a flight to reach Denver?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My preferable travel dates are Feb 14 and Feb 16.

ASSISTANT: Could you tell me your nearest airport codes?

USER: The nearest airport codes are DTW and DEN.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in a direct flight.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT: I have found an economy class ticket with a price of 100 and it is a direct flight.

USER: I am ok with this flight, please reserve a ticket with the name Gary Garcia.

ASSISTANT: Your ticket is booked.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for reaching us.