You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Anthony Lopez.

ASSISTANT: How can I assist you Anthony Lopez?

USER: I would like to travel to Las Vegas to meet my friend. Can you help me in booking a ticket?

ASSISTANT: Sure, I'll help you with this. Can you please share your airport codes of travelling?

USER: I am planning my journey from EWR to LAS.

ASSISTANT: May I know on which dates you are willing to travel?

USER: Sure, my trip is from 02/22 to 02/24.

ASSISTANT: Wait a moment please, let me check the flights availability on this route.

USER: Sure. Make sure the price is less than 200.

ASSISTANT: Anthony Lopez, I have searched for your request of price 200, I couldn't find any flights with your request.

USER: That's fine, I will find other way out.

ASSISTANT: Sorry for the inconvenience.

USER: Thank you for the information.

ASSISTANT: Thank you for approaching us.