You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brandon Lopez.

ASSISTANT: Ok.

USER: Could you please book a flight ticket from IL-ORD to CA-SFO?

ASSISTANT: Will you provide your travelling dates?

USER: My travelling dates are 01/19 and 01/21.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting.As per your request the flight is available. The flight number is 1018 with price 100 and the connections 1. Shall I proceed for booking?

USER: Please book this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.Have a nice day.