You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to book a flight to Charlotte for vacation?

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

USER: I will fly on Oct 02 and return on Oct 04.

ASSISTANT: Could you please help me with the airport codes?

USER: My source point is OAK and destination is CLT.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I want my depart flight in afternoon.

ASSISTANT: May I know your name to proceed further?

USER: My name is Michelle Perez.

ASSISTANT: There is a flight available with price 100 and the connection is 1 with Southwest airline. Would you like me to proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Your booking is confirmed with 1019 flight number and the depart time is 12:00 hours, return time is 22:00 hours.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.