You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth King.

ASSISTANT: How can I help you today?

USER: I want to travel from LAS to PHL. Can you please help me with this?

ASSISTANT: I am here to help you with that, may I know your preferable dates?

USER: Sure, my travelling dates are from May 15 to May 17.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Spirit airline is available with one connection and airfare is 100. Can I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.