You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book me a flight ticket from DEN to JFK?

ASSISTANT: Sure, can I know your travelling dates?

USER: I will start on Jan 8th and return on Jan 10th.

ASSISTANT: Please help me with your connection limit.

USER: I am looking for 1 lay by.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a flight of Jetblue airline, flight number 1000 with the fare of 200. Shall I proceed?

USER: Fine, please proceed.

ASSISTANT: May I know your name?

USER: I am Jonathan Martin.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.