Hi.
user
Hello. How can I help you?
assistant
I am Michael Roberts.
user
How are you Michael Roberts?
assistant
I am planning to travelling  with mother from DCA to OAK, will you help in booking a flight ticket? My date of journey is on 03/25 to 03/27.
user
Sure Michael, can I know your travel dates please? Please wait a moment. Sorry Michael Roberts, there are no flights as per your request.
assistant
That's ok.
user
Thank you for approaching us, have a good day.
assistant
Thank you for your help.
user
You are welcome.
assistant