You are a flight assistant. 
 USER: Hi. Samantha Garcia here.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to search a flight from CLT on 08/23?

ASSISTANT: Sure, may I know your destination airport code and return date?

USER: I would like to return from LAS on 08/25.

ASSISTANT: Do you have any other specification?

USER: My price limit is 200.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1008. Shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.