You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight from EWR to JFK?

ASSISTANT: I am willing to help you, please specify your journey dates.

USER: My travelling dates are Nov 20 and 22.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: My name is Samantha Walker.

ASSISTANT: I got a direct flight-1003 in economy class, is it fine for you?

USER: Proceed with booking.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: Thank you.

ASSISTANT: Welcome.