You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Nicole Young. I want to book a flight ticket from PA - PHL to CA - SFO, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am mirthful to help you. Let me know, how much you can afford for this journey?

USER: I can afford up to 500.

ASSISTANT: Could you please share your travelling dates?

USER: I would like to fly on 10/02 and return on 10/04.

ASSISTANT: Thank you for sharing your details. Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with Frontier airline, flight number 1009 with fare 100 and a lay by. Can I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you.

ASSISTANT: Thank you for availing us.