Hello, myself Nicholas Roberts.
user
Hello. How can I help you?
assistant
I am planning to meet my niece in Washington, can you please help me to book a ticket?
user
Sure, please provide me your travelling locations?
assistant
Please check for a best flight from IAH to IAD.
user
Please tell your travelling dates?
assistant
I want to depart on 11/17 and return from IAD on 11/19.
user
Sorry, there are no flights available with your request.
assistant
That's fine, thank you for checking.
user
Thank you and have a nice day.
assistant