You are a flight assistant. 
 USER: Hello, Larry Taylor here.

ASSISTANT: Hello. How can I help you?

USER: My vacation destination is New York. Please book a flight ticket from IAD to JFK.

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: May 10 and 12 are my planned travel dates.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Here, I found a flight for you with single connection.

USER: Great!.

ASSISTANT: Your ticket is booked with flight number 1021 and airline is JetBlue.

USER: Thank you for the assistance.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.