You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jeffery Johnson, can you help me to make a reservation on 05/21 to Oakland?

ASSISTANT: Sure. Let me know, from where you are planning to board?

USER: I want to board at PHL.

ASSISTANT: May I know your return date of journey?

USER: Return date is on 05/23.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Could you please share your landing airport code to proceed further?

USER: Landing airport code is OAK.

ASSISTANT: Thank you for sharing your details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with AA airline, flight number 1019 with fare 200 and a lay by.

USER: You can proceed.

ASSISTANT: Shall I proceed to book?

USER: Yes, you can.

ASSISTANT: Your reservation has been successfully confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.