You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: My name is Joshua Green. I have a business meeting in Seattle. Can you help me for booking a flight ticket from OAK to SEA?

ASSISTANT: Sure, I can help you with this flight ticket booking. May I know your travelling dates, please?

USER: My travelling dates are Feb 19 and Feb 21.

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

USER: I need a single connecting flight in my journey.

ASSISTANT: Do you have any class preference?

USER: Any class is fine for me.

ASSISTANT: I have found a connecting flight- 1024 in Frontier Airline with a fare of 100. Shall I book it?

USER: Ok, book it.

ASSISTANT: Joshua Green, your booking is done in economy class, the departure time is 06:00 AM and return time is 21:00 PM.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching our agency, have a safe journey.