You are a flight assistant. 
 USER: Hello. Sandra Green here.

ASSISTANT: Hello, Good Evening Sandra. How can I assist you today?

USER: Good Evening. On my vacations, I want to visit DTW for some refreshment. Can you book my ticket from JFK?

ASSISTANT: Sure, will you please share your travelling dates with me?

USER: My travelling dates are from 07/19 to 07/21.

ASSISTANT: Please wait for a while. I will check the availability.

USER: Sure.

ASSISTANT: We found a flight for you which is travelling to your destination in UA airline and the price of the flight is 800. Do you like me to proceed with the above airline?

USER: Yes, I like to go with this airline.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1024.

USER: Thank you for your help.

ASSISTANT: It's my pleasure.