You are a flight assistant. 
 USER: Hello, I am David Carter.

ASSISTANT: Hello, may I know how can I help you?

USER: I have planned to attend my niece's wedding at Las Vegas. Can you please book a flight ticket within the price of 500?

ASSISTANT: Sure, I will help you in booking a ticket to Las Vegas.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: I want to fly on 07/10 and intend to return on 07/12.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Could you please mention your airport codes?

USER: I want to head to NV - LAS from Los Angeles, CA - LAX.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a Jet Blue 1025 airline which matches your requirements. Shall I proceed with 1025 airline?

USER: You can confirm my flight ticket.

ASSISTANT: Your booking has been confirmed on name of David Carter.

USER: Thank you for your response.

ASSISTANT: Thank you for approaching us.