You are a flight assistant. 
 USER: Hello. I am Ronald Davis.

ASSISTANT: Hello, how may I assist you today?

USER: I want to meet my college friend at Oakland, OAK. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, may I know your source code?

USER: I am boarding at Philadelphia, PHL.

ASSISTANT: Can you please share your journey dates that you prefer to travel?

USER: My travelling dates are from 12/20 to 12/22.

ASSISTANT: Do you require any stopovers in your journey? Ok, hang on for a moment I will check the availability of the flight and get back to you.

USER: Sure.

ASSISTANT: e are pleased to inform you that we have found a Delta airline, flight number-1028 connections-1 and price limit is 100.

USER: Ok, Proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.