You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: My name is Gregory Lewis.

ASSISTANT: How may I guide you?

USER: I want to celebrate my birthday with my family in Oakland, can you please help me in booking a ticket on dates from 10/15 to 10/17?

ASSISTANT: Sure, can I know your airport codes?

USER: I would like to travel from ATL to OAK.

ASSISTANT: Sure, please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: I found a flight 1003 which has 1 connection, can I proceed?

USER: Yes, please confirm my reservation with that flight.

ASSISTANT: Your ticket is booked with Southwest airlines.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.