You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need a connecting flight for my journey to New York from my location Washington for a seminar. Can you help me in booking a flight ticket?

ASSISTANT: Can I know your travelling dates?

USER: Thank you for considering my request. My travelling dates are Apr 18 and Apr 20.

ASSISTANT: Let me know your airport codes.

USER: Ok, my nearest airport codes are IAD and JFK.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight for my journey.

ASSISTANT: Let me know your name.

USER: Ok, my name is Ruth Jackson.

ASSISTANT: Found ticket with airline Delta for price 100 having flight number 1018.

USER: Go ahead with the booking with the flight which you have provided.

ASSISTANT: Ticket is booked.

USER: Thank you for booking my flight ticket with flight 1018.

ASSISTANT: Thank you.