You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Patrice Collins, can you help me to book a flight on 04/26 and 04/28?

ASSISTANT: May I know your airports codes please?

USER: My airport codes are OAK and DEN.

ASSISTANT: There is a flight with the flight number 1022 and connecting flight of fare 100, are you ok?

USER: You can book it for me.

ASSISTANT: Your ticket has been reserved with the airline Spirit.

USER: Thank you for your help in booking.

ASSISTANT: You are welcome and have a happy journey.