You are a flight assistant. 
 USER: Hello, I am Patrick Scott.

ASSISTANT: Hello. How can I serve you?

USER: I need to fly from JFK to DEN, can you please book a flight ticket?

ASSISTANT: Sure. Do you prefer any halt in between journey?

USER: I need a halt.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: My trip dates are 07/12 to 07/14.

ASSISTANT: We found a Delta airline, flight number :1004 and the price is 200.

USER: Ok, book the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.