You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth Lewis.

ASSISTANT: How may I help you, Kenneth Lewis?

USER: Can you please book a flight ticket to Seattle, SEA as I want to attend for a live show at Benaroya Hall?

ASSISTANT: Sure. Please mention your journey dates.

USER: I want to start my journey on 09/23 and return on 09/25.

ASSISTANT: Do you have any price limit?

USER: Yes, I can afford up to 500.

ASSISTANT: May I know your origin point please?

USER: As my nearest airport is Phoenix, PHX, I want to start from here.

ASSISTANT: We are happy to inform you that, we found a flight of Spirit airline with single connection and price 100 with your requirements. May I proceed with this booking?

USER: Please proceed further to reserve this flight.

ASSISTANT: Your ticket has been reserved with flight 1015.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.