You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you for the day?

USER: I need to book a flight ticket from SFO to OAK, Can you please help me for booking?>.

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: I would like to travel on 02/16 to return on 02/18.

ASSISTANT: Do you have any class preference?

USER: I need a economy class.

ASSISTANT: May I know your name please?

USER: James Adams.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: There is  a connecting flight-1008 in Southwest Airlines with a fare of 100. Shall I book it?

USER: Ok, proceed for booking.

ASSISTANT: Your booking is done in economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us, have a safe journey.