You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Justin Green here.

ASSISTANT: How may I aid you?

USER: I want to go to Chicago, IL - ORD to meet my friend, can you please book a flight from CA - OAK?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are 01/17 and 01/19.

ASSISTANT: We have found a flight in an airline Spirit with 1023 number having a single connection price of 100. Shall I reserve?

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.