You are a flight assistant. 
 USER: Hello, I am Mary Allen.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit Statue of Liberty in New York, so could you please book a ticket for me?

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

USER: Sure, I would like to go on 10/12 and return back on 10/14.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My source and destination airport codes are ORD and EWR.

ASSISTANT: Please give me a moment.

USER: Ok, ensure it is a single connecting flight.

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

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked with flight number 1019 and airline is Delta.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.