You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Lee.

ASSISTANT: How may I assist you?

USER: I want to book a flight ticket.So, can you book a connecting flight under normal cost?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 08/23 and 08/25.

ASSISTANT: At what time do you like to travel?

USER: I want to return at afternoon.

ASSISTANT: May I know your travel airport codes?

USER: My airport codes are MCO and EWR.

ASSISTANT: Do you have any specification?

USER: No.

ASSISTANT: We found a flight on your details with Spirit Airline, flight number: 1027. Shall I book this ticket?

USER:        Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you.