You are a flight assistant. 
 USER: Hello, I am Helen Evans. I would like to travel from LAS to ATL. can you please book a ticket?

ASSISTANT: Hello, how can I help you today? Ok, any other requirements?

USER: My travelling dates will be on 05/18 to 05/20.

ASSISTANT: Ok, flight- 1004, airline- Spirit, price- 100 with connection matches your requested details.

USER: You can proceed to booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.