You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Nicholas Harris. I would like to book a flight ticket from DTW to LGA.

ASSISTANT: Ok, can I know your travel dates?

USER: Sure, I am planning to start on 02/23 and return back on 02/25.

ASSISTANT: The flight 1027 of Southwest airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Harris, your ticket is booked successfully.

USER: Thank you for the help.

ASSISTANT: Have a great journey.