You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have planned for a luncheons with my colleagues. Could you please help me with booking a flight ticket from OAK to SFO?

ASSISTANT: Sure. I can help you. May I know your name?

USER: I am Ronald Hernandez.

ASSISTANT: Thank you. Can I know your travel dates?

USER: Sure, my travelling dates are Apr 9 and Apr 11.

ASSISTANT: Ok, is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please stay online for a while.

USER: I prefer to depart in the afternoon. Sure, I will wait.

ASSISTANT: Flight-1004 having single connection is available with Southwest airlines and the ticket fare is 200 only. Flight will take-off at 14:00 hours and arrives at 12:00 hours. Is that ok for you?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed in an economy class. Have a nice day.

USER: Thank you for your help.

ASSISTANT: You are most welcome.