You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I want to head to Las Vegas to visit MGM grand casino resort to enjoy my holidays on 09/09, can you help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. Please provide your airport codes.

USER: My airport codes are DCA-LAS.

ASSISTANT: May I know your return date?

USER: I intend to return on 09/11.

ASSISTANT: Can I Know your name?

USER: I am Stephanie Carter.

ASSISTANT: We found a UA airline, flight number:1026 and the price is 100.

USER: You can proceed with this airline.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your kind support.

ASSISTANT: Thank you for choosing us.