You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Jeffery Carter.

ASSISTANT: How may I assist you today?

USER: I am planning to celebrate my birthday at Astrakhan's Colorado whiskey tour where we can see different types of alcohol, which is located in Denver, CO - DEN. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to fly on 04/25 and recur on 04/27.

ASSISTANT: Can you please help me with your boarding point?

USER: I want to board from Oakland, CA - OAK.

ASSISTANT: We found a connecting flight with economy class and price is 200. Shall I confirm your booking with an airline Spirit of flight 1023?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us.