You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Hall.

ASSISTANT: How can I help you?

USER: I want to celebrate my birthday with my friends at Washington, can you please help me to book a flight ticket from JFK to IAD?

ASSISTANT: Sure Hall, can I know the travel dates please?

USER: Sure, my journey dates are 03/18 and 03/20.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a connecting flight in Hawaiian airline with price 200, can I book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: You are most welcome.