You are a flight assistant. 
 USER: Hi. Charles Gonzalez here.

ASSISTANT: Hello. How can I assist you?

USER: I am planning a trip to New York. Can you book a flight ticket?

ASSISTANT: Sure, please share your airport codes.

USER: My airport codes would be from CLT to EWR.

ASSISTANT: Can I know your travel dates?

USER: Ok, my travel dates are 04/07 to 04/09.

ASSISTANT: The flight 1005 of Delta airlines is available on your requested dates. Shall I proceed?

USER: You can proceed for booking.

ASSISTANT: Charles, your reservation has been done successfully.

USER: Thank you.

ASSISTANT: You are welcome.