You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from DFW to JFK, Can you please help me for booking?

ASSISTANT: Sure, when are you planning to travel?

USER: I would like to travel on 10/27 to return on 10/29.

ASSISTANT: May I know your name please?

USER: Helen Hernandez here.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: We found a flight in an airline Delta with 1001 number having a single connection price of 400. Shall I proceed to book?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thanks for your information.

ASSISTANT: Thank you for availing us. Have a safe flight.