You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me to book a flight ticket from DEN to OAK?

ASSISTANT: Sure, please provide your trip dates.

USER: My travel dates are Dec 25 and Dec 27 respectively.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer for connecting flight to travel.

ASSISTANT: Are there any other specifications for you?

USER: No,.

ASSISTANT: May I know your good name?

USER: Katherine Perez here.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with the flight- 1021.

USER: Thank you.

ASSISTANT: Thank you for availing us.