You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Benjamin Evans here. I want to visit the place of High Roller at The LINQ in Las Vegas. Will you help me out by booking flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to travel on 07/11 and returned by 07/13.

ASSISTANT: Ok. Please tell me airport codes?

USER: My locations are from IAH to LAS.

ASSISTANT: Yes, the flight 1010 of Spirit airline available for you. Shall I proceed?

USER: Ok, proceed on booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.