Hi.
user
Hello.
assistant
I am Joseph Clark.
user
How can I help you?
assistant
I want to book a  direct flight ticket to attend an emergency case at MA-BOS. Can you help me with this?
user
Sure, I am here to help you. When you have to start your journey?
assistant
 I would like to start on 04/20 .
user
Can I have your take off airport code?
assistant
WA-SEA will be my boarding airport code.
user
Let me know your return date.
assistant
04/22 will be my return.
user
Thank you for sharing the details. Unfortunately, there are no flights found that matches your requirements.
assistant
No issue. Thank you.
user
Thank you for approaching us.
assistant