Hello. This is Richard miller from San Francisco.
user
Hello, how can I assist you at this moment?
assistant
I would like to visit Tomb of the unknown soldier located at Washington DC-IAD, so please assist me in making a plane reservation.
user
Sure, we are here to help you.
assistant
Thank you.
user
Please, share your fare limit.
assistant
Fare limit is below 500.
user
May I know the airport code of San Francisco?
assistant
The airport code of San Francisco is CA-SFO.
user
Can I have your depart and arrival dates?
assistant
I would like to depart on 08/25 and arrive on 08/27.
user
Thank you for sharing your journey details. Please, hold on.
assistant
Sure.
user
Thank you for your valuable time. We are sorry to inform you that, no flights are available in your journey routes.
assistant
Ok, no issues.
user
Ok.
assistant
Thank you.
user
Thank you for reaching us, have a good day.
assistant