You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am looking for a flight from BOS to IAD, can you please help me in booking?

ASSISTANT: Sure, may I know your departure and arrival travel dates?

USER: My travelling dates are Mar 21 and Mar 23.

ASSISTANT: May I know your name please?

USER: My name is Laura Gonzalez.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for your information, there is a flight 10007 with a direct flight in Delta airlines and the fare of the ticket is 100. Is it ok for you to book the ticket?

USER: Please proceed.

ASSISTANT: Your flight ticket booking is done on your journey dates.

USER: Thank you for booking.

ASSISTANT: You are most welcome.