You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I lend a hand to?

USER: Please book a flight ticket from JFK to BOS.

ASSISTANT: Sure, I am here to help you for this. Could you please share me your travel dates?

USER: Jan, 21 and Jan, 23 are my travel dates.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I need a connecting flight with economy class.

ASSISTANT: Do you have any criteria?

USER: No.

ASSISTANT: As per your data, there is a flight with Delta Airlines and the ticket fare is 100. Shall I proceed for this?

USER: Please proceed.

ASSISTANT: For reserving the ticket. May I know your name please?

USER: Jason Robinson here.

ASSISTANT: Your ticket is reserved in economy class with the flight-1021. Your depart time is 9:00 AM and again your arrival time is 10:00 AM.

USER: Thank you.

ASSISTANT: Thank you very much for contacting our agency.