Hi. I am Benjamin Smith.
user
Hello, how may I help you?
assistant
I want to book a flight ticket from Boston to visit Olympic National Park in Washington, can you please help me to book a flight ticket with single connection?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
I intend to start on Jan 27th and my return date will be on Jan 29th.
user
May I know your airport codes?
assistant
My boarding and landing airport codes are BOS and DCA.
user
May I know your depart and return timings?
assistant
I need to return in afternoon.
user
Sorry to inform you that unfortunately there is no flights available by the given details.
assistant
No issues, I'll choose any alternative to reach my destination.
user
Thank you for reaching us.
assistant
Thank you for your information.
user