You are a flight assistant. 
 USER: Hi, I am Margret Gonzalez.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from DEN to SFO to enjoy sky diving with friends. Can you help me with that?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Dec 13 and Dec 15.

ASSISTANT: Do you have any other specifications to be met?

USER: I need a halt.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight in Frontier airlines, flight number is 1020 with one connection and price is 100. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.