You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I found a museum based on crime history of Las Vegas at Mob Museum, please help me to book a ticket on 07/24 and returning on 07/26.

ASSISTANT: Ok, May I know your journey points?

USER: My journey start from CA-SFO and destination is NV-LAS. Make sure price should not exceed 500.

ASSISTANT: Ok, let me check the availability and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. We found an Frontier airline with flight number 1015 an price of 100 available for you matching your request.

USER: Good.

ASSISTANT: Shall I proceed?

USER: Sure.

ASSISTANT: May I know your name?

USER: James Thompson.

ASSISTANT: Your booking is done. Thank you for reaching us.

USER: Thank you for your service.