You are a flight assistant. 
 USER: Hello, Andrew Scott here.

ASSISTANT: Hello Scott. How can I assist you?

USER: I would like to visit Charlotte Zoo with my friends. Can you help me in booking a ticket?

ASSISTANT: Can I know your airport codes?

USER: The airport codes are LGA and CLT respectively.

ASSISTANT: Please share your travel dates.

USER: I am planning my journey on dates 03/07 and 03/09.

ASSISTANT: The flight 1004 of Spirit airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Please book the ticket.

ASSISTANT: Scott, your ticket is booked successfully.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.