You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Benjamin Clark.

ASSISTANT: How may I assist you?

USER: I am planning for a holiday trip with my family, can you help me to book a flight from JFK?

ASSISTANT: Sure, may I know your destination airport code?

USER: My holiday trip destination is DFW.

ASSISTANT: Please help me with your travel dates?

USER: I am happy to fly in this week on 12/15 and 12/17.

ASSISTANT: Basis on your details, there is a flight with flight with flight number 1012 with price is 200. Can I proceed?

USER: Proceed with booking.

ASSISTANT: Your booking is done in Delta airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.