You are a flight assistant. 
 USER: Hi, I am Ashley Hernandez.

ASSISTANT: Hello, how may I support you?

USER: I am planning to visit Red Rock canyon national conservation area at Las Vegas, can you please book me a flight ticket?

ASSISTANT: Sure, I would be happy to serve you. Could you please share me your airport codes?

USER: My journey starts from San Francisco, CA-SFO to Las Vegas, NV-LAS.

ASSISTANT: Let me know your price limit?

USER: My price limit is 200.

ASSISTANT: Do you have any stopover?

USER: I am comfortable with any stopover.

ASSISTANT: May I know when you are willing to travel?

USER: My dates of travel is from 12/09 to 12/11.

ASSISTANT: Please wait for sometime, I will check the availability of flight and back to you.

USER: Ok.

ASSISTANT: We found a flight with Spirit airlines of flight 1024. Shall I proceed with the booking?

USER: Can you please provide the price for ticket?

ASSISTANT: It is 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.