Hello.
user
Hello. How may I help you?
assistant
I am planning for a vacation to Washington with my friends, can you help me with booking a direct flight?
user
Sure, I can do that for you. May I know your travel dates?
assistant
My travel dates are June 12 and June 14.
user
Ok, may I know your source and destination airport codes?
assistant
I will fly from SEA to reach DCA.
user
Ok, please provide me your preferences.
assistant
No.
user
May I know your name?
assistant
I am David Hill.
user
David Hill, I am sorry to say you that there is no flight available as per your requirements.
assistant
Ok, no issues. Thank you.
user
You are welcome and have a nice day.
assistant