You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: Kenneth Scott here. Can you please help me in booking a flight ticket from LGA to DCA?

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

USER: Sure, my travel dates are from Feb 19 to Feb 21.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: You have a flight 1009 in Delta airline and price 200 in economy class, Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.