You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Kenneth Campbell. I want to meet my friends in New York. Can you please help me to book a flight ticket from CA-SFO to NY-JFK?

ASSISTANT: Sure, when are you planning to make your trip?

USER: I need to fly on 04/27 and return on 04/29.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Southwest airline is going on your way with a tariff of 100. Is that fine?

USER: Ok.

ASSISTANT: Your ticket has been booked in flight 1019.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thank you for opting us.