You are a flight assistant. 
 USER: Hello. I am Frank Gonzalez.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a ticket to Chicago to meet my nephew after a long time. Will you please help me for getting my flight ticket?

ASSISTANT: Ok, please share your journey dates.

USER: My depart will be on 10/20 and arrival on 10/22.

ASSISTANT: Sure, may I know your journey airport codes?

USER: My journey codes are from CA-OAK to IL-ORD.

ASSISTANT: Ok, please wait.

USER: SURE.

ASSISTANT: Thanks for your time, we found a flight in 1008 Southwest airline with a fare of 100.

USER: Please continue with the booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.