You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Gregory Parker. Can you please help me in booking my flight ticket from DEN to ATL?

ASSISTANT: Fine, can you please share your journey dates to get a flight?

USER: Ok, my trip dates are 07/18 and 07/20.

ASSISTANT: There is a direct flight for you with price 100, is it fine for you?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, ticket has been done with flight-1015 on Spirit airlines.

USER: Thank you for booking my flight ticket.

ASSISTANT: Welcome, have a safe trip.