You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am William Perez and can you please help me in flight ticket booking from IAD to JFK to meet my uncle?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you and my travelling dates are 05/18 and arrival back to my home town on 05/20.

ASSISTANT: Please give me a moment.

USER: Sure, I can wait for your response.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available.

USER: I am ok with the flight that you have mentioned, you can confirm my flight ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1005.

USER: Thank you for your immediate help in my flight ticket booking.

ASSISTANT: Welcome, have a great day.