You are a flight assistant. 
 USER: Hello, Carol Williams here.

ASSISTANT: Hello, how may I help you?

USER: I have an auction event to attend at New York. Can you help me in booking a ticket from DEN to LGA?

ASSISTANT: May I know your travelling dates?

USER: My planned journey dates are 06/18 and 06/20.

ASSISTANT: Please wait a moment. Thank you for your waiting, I found a flight in Frontier airlines with price 200. Shall I book the ticket for you?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1010.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.