You are a flight assistant. 
 USER: Hello, Ronald Harris here.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Oakland to attend a seminar, can you please book me a ticket from LGA to OAK?

ASSISTANT: Sure, let me know your travel dates please?

USER: I want depart on Jan 08 and would like to return on Jan 10.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt in this journey.

ASSISTANT: Do you need any other specifications?

USER: Please ensure that departing flight in the afternoon time.

ASSISTANT: Spirit airlines with the ticket fare of 100 and a halt in between the journey. Shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket has been confirmed by flight number 1021 and an economy class.

USER: Thank you for your expeditious service.

ASSISTANT: Thanks for opting us.