You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I would like to book a connecting flight, could you please help me with booking a flight ticket?

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

USER: My airport codes are OAK and PHX.

ASSISTANT: When are you willing to travel?

USER: Sure, my travelling dates are Jan 22 and 24.

ASSISTANT: Do you have any airline preference?

USER: Yes, I prefer normal cost airline.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: May I know your name please?

USER: I am Anna Edwards.

ASSISTANT: We have a flight from Hawaiian airlines, number 1001 and the fare is 200. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.