Hello.
Hello, how may I assist you?
I am Lisa Nelson. Can you help me in booking my flight ticket from OAK to DCA?
Sure, can you please provide me your travel dates?
My travelling dates will be Aug 26th to Aug 28th.
Ok, please wait for a while.
Sure. Make sure that the depart time should be in the evening.
I am sorry to tell you that there is no flight available on your preferred travel dates.
Its ok, thank you.
You are welcome.