You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from IAD to JFK. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly in the flight on Mar 25 and Mar 27.

ASSISTANT: Can I know your limit on maximum number of connections?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any more specifications?

USER: I want to depart in evening time.

ASSISTANT: Let me know if you have any more requirements.

USER: No.

ASSISTANT: Please, provide me your name to proceed further.

USER: Jonathan Lopez.

ASSISTANT: Delta airlines is providing you the connecting flight in economy class, shall I reserve it?

USER: Proceed to booking.

ASSISTANT: Your ticket has been reserved with flight 1026.

USER: Thank you for your help.

ASSISTANT: My pleasure. Have a safe trip.