You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight ticket from CLT to JFK?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on June 17 and return on June 19.

ASSISTANT: Please share me your name.

USER: My name is Alexander Mitchell.

ASSISTANT: Do you have any specifications?

USER: I would like to prefer economy class.

ASSISTANT: We found a economy class flight on your details with Spirit Airlines, flight number: 1007. Shall I book this ticket?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much for choosing us.