You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Jeffrey Phillips. I have planned to book a flight ticket from Houston to Atlanta to meet my childhood friend. Can you help me with booking a connecting flight?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source and destination airport codes are IAH - ATL.

ASSISTANT: Ok, when would you like to depart and return?

USER: My depart date is Sept 01 and arrival date is Sept 03.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1023, price: 100 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.