You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Charles Gonzalez, I need a flight to Charlotte from Las Vegas to see my son.

ASSISTANT: Ok.

USER: Can you help me to book the flight ticket with one connection?

ASSISTANT: Sure, may I now your travel dates please?

USER: I like to travel on 10/07 and return on 10/09.

ASSISTANT: Could you please provide me your airport codes please?

USER: Sure, my destination is NC-CLT and Source is NV-LAS.

ASSISTANT: Do you have any specification?

USER: I need a flight under price of 500.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline Delta, flight number: 1019. Shall I proceed for booking?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thanks for choosing us.