You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you please book me a plane ticket from JFK to DEN?

ASSISTANT: Sure, may I know your name?

USER: I am Virginia Harris.

ASSISTANT: When do you want to travel?

USER: I will start on Feb 18th and return on Feb 20th.

ASSISTANT: Do you have any other specifications?

USER: I need 1 lay by within my route.

ASSISTANT: There is a flight of United airline, flight number 1002 with the fare of 100. Can I proceed?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.