You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me to book a flight ticket from ORD to PHX?

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are Oct 18 to Oct 20.

ASSISTANT: Do you prefer class?

USER: I would like to prefer economy class.

ASSISTANT: Do you need connection limit?

USER: I need a flight with single connection.

ASSISTANT: May I know your name?

USER: My name is Patrick Hall.

ASSISTANT: We found Spirit Airline with fare 200 with flight number is 1006 with connecting flight. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.