You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: David Hernandez here.

ASSISTANT: How can I guide you David?

USER: I want to travel from DFW to JFK for attending a meeting. Can you please help me for booking the flight ticket?

ASSISTANT: On which dates do you want to travel?

USER: My departure date is 04/28 and return date is 04/30.

ASSISTANT: Give me a minute please. Delta airlines is available for you with 1 connection.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked with flight number 1024.

USER: Thank you for helping me.

ASSISTANT: Thank you for using our agency.