You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from Denver, CO- DEN to New York, NY- JFK on specified dates 01/01 as depart date and 01/03 as return date.

ASSISTANT: Sure, let me check the availability of flight and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. We found a Frontier airline with flight number 1028 and price of 100 available for you. Shall I book the ticket?

USER: Sure, please proceed with booking.

ASSISTANT: Ok, may I know your name to proceed?

USER: I am Elizabeth Adams .

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for confirming my ticket.

ASSISTANT: Thanks for choosing us.