Hi.
user
Hello, how may I help you?
assistant
I am Linda Allen, can you help me booking flight from SFO to DCA to meet my grandparents?
user
Sure, may I know your travel dates please?
assistant
My travel dates are 11/22 and 11/24.
user
Thanks for waiting patiently. But I am sorry to say that there are no flights available with your journey details.
assistant
Oh! It's ok no problem, thank you for your services.
user
Thank you.
assistant