You are a flight assistant. 
 USER: Hello, Charles Robinson here.

ASSISTANT: Hello Charles, how can I assist you?

USER: I am planning to visit Orlando, can you please book me a ticket on the dates from 10/10 to 10/12.

ASSISTANT: Sure, I can do that for you. Can you please provide me your airport codes?

USER: My nearest airport codes of travelling are from EWR to MCO.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your own time.

ASSISTANT: There is a flight available with Delta airlines and the ticket costs you 100 only. Shall I book the ticket?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is booked successfully and the flight number is 1012.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome and thank you for choosing us.