You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: Benjamin Thomas here. Can you help me to book a flight ticket from OAK to IAD?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: \My travelling dates are 02/29 and 03/02.

ASSISTANT: Do you have any preferences?

USER: I need a one connecting limit.

ASSISTANT: You have a flight 1017 in Delta airline and price 200 with a connection, Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket has been generated and it will be send to your Email-Id shortly.

USER: Thanks for helping me.

ASSISTANT: Thank you.