You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Gregory Garcia. I want to book a ticket from LGA TO DCA.

ASSISTANT: Sure, may I know your travel dates to search a flight?

USER: My travelling dates are 05/31 and 06/02.

ASSISTANT: I found a flight with price 100 and connection is 1, shall I proceed with this flight?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1002.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe journey.