Hi,.
user
Hello, how can I help you?
assistant
I am Catherine Gonzalez. I would like to participate in a mobile food distribution event, will be conducted by soldiers at Houston, TX - HOU. Can you make a flight reservation from Washington?
user
Sure, can I have your dates of journey please?
assistant
I will fly on 11/19 and recur on 11/21.
user
Kindly ensure your source point?
assistant
My boarding airport code is DC - IAD.
user
Please wait a moment.
assistant
Sure.
user
 Thank you for waiting, we did not find any flights matching your dates.
assistant
That's fine, no issues. Thanks for the help.
user
Thanks for choosing us.
assistant