Hello. My name is Kathleen Allen.
user
Hello. How may I assist you?
assistant
I just want to visit my sister's house, could you help me in booking a ticket?
user
Sure, I am happy to help you? May I know your travelling dates?
assistant
The dates are 09/15 to 09/17.
user
May I know your airport codes?
assistant
They are HOU to IAD.
user
Sorry to say that there is no flight found.
assistant
That's ok.
user
Thank you for contacting us.
assistant
Thank you for your time.
user