You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book flight ticket to reach JFK from CLT?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned dates to travel are Nov 21 and Nov 23.

ASSISTANT: Do you have any specifications?

USER: I want to travel in a connecting flight.

ASSISTANT: Is there any class preferences?

USER: I am comfortable with any class.

ASSISTANT: May I know your good name?

USER: Eric Evans here.

ASSISTANT: We found a flight in Spirit airlines, flight number is 1007 with single connection and price is 100 economy class. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.