You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am willing to book a flight on Feb 21st and please book a return flight on 23rd of same month.

ASSISTANT: Sure, let me know your airport codes?

USER: My airport codes are OAK - PHX.

ASSISTANT: Any preferences?

USER: I prefer to travel in a connected flight.

ASSISTANT: May I know your name please?

USER: Sure, my name is Dennis Edwards.

ASSISTANT: Southwest Airlines has a connection flight with number 1029 for fare 100, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.