You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: William Lewis here.

ASSISTANT: Nice to meet you, Lewis.

USER: On of the most famous place that people used to visit mostly, that is grouses park, so I am interested to travel there. Can you find a flight for me to travel?

ASSISTANT: Lewis, can you please help me with your dates of travel for booking a ticket?

USER: Sure, I planned my dates on 05/04 and return trip to on 05/06.

ASSISTANT: May I know your travelling airports codes for booking of a ticket?

USER: Sure, my source region airport code is IAD and destination region is MSP.

ASSISTANT: Please wait for a moment.

USER: Sure and make sure that I need a direct flight in my trip.

ASSISTANT: I found a flight with connection is 1 of cost 100, shall I proceed to book? Sorry, there is no flight which is direct for you.

USER: Sorry, please don't book my ticket.

ASSISTANT: Ok.

USER: Ok, that's fine, I prefer to go with any other booking agencies.

ASSISTANT: Thank you for contacting us.

USER: Thank you.