You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a flight ticket from BOS to visit Olympic National Park in IAD, could you please help me in booking?

ASSISTANT: When you are willing to travel?

USER: Sure, I intend to start on 07/05 and my return date will be on 07/07.

ASSISTANT: Do you have any connect limit?

USER: I want to fly in a connecting flight for this time.

ASSISTANT: May, I know your good name?

USER: I am Margaret Robinson.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.