You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I planned to meet my parents in AUS, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure, may I know your name?

USER: I am Joshua Carter.

ASSISTANT: Thank you. Can you please help me with your travel dates?

USER: I prefer to travel on Dec 28 and Dec 30.

ASSISTANT: Noted. May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, may I know your airline preference?

USER: I prefer to travel in standard cost airline.

ASSISTANT: Ok, please wait. Let me check for the available flights.

USER: Sure.

ASSISTANT: There is a flight with single connection available in AA airlines and the ticket fare is 100 only. Can I proceed for booking the ticket for you?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked in economy class and have a nice day.

USER: Thank you for your help.

ASSISTANT: You are most welcome and thank you for choosing us.