You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have planned trip to Oakland, could you help me out in booking a ticket?

ASSISTANT: Sure, may I know your willing dates for travelling?

USER: My preferred dates are from 02/28 to 03/01.

ASSISTANT: Can you please help me with the airport codes of source and destination?

USER: My planned airport codes are JFK to OAK.

ASSISTANT: May I know your good name please?

USER: Myself Debra Hernandez. Please ensure that it has 1 connecting flight.

ASSISTANT: As per your details, there is a flight found for you from Delta airlines with travel charge of 200, shall I book the ticket?

USER: Yes, please proceed and book the ticket.

ASSISTANT: Your ticket has been booked with flight-1000, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.