You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Will you please help me to make a reservation from IAD to EWR?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to depart on Dec 13 and return on Dec 15.

ASSISTANT: On whose name shall I reserve flight ticket?

USER: On James Carter.

ASSISTANT: May I know your connection limit?

USER: I need single connection.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with one connection and the price is 100 in Delta airlines, can I proceed with the reservation in economy class?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with the flight number 1023.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.