You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I have planned for a round trip at Philadelphia, PA - PHL. Can you help me with booking?

ASSISTANT: Sure, I will help you. May I know your good name?

USER: Carol Young is my name.

ASSISTANT: When you are planning to start and return?

USER: I need to start on 02/20 and return on 02/22.

ASSISTANT: Please, wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. There is a connecting flight available with fare 100 in Spirit airline. Can I confirm it?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1013.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.