Hi.
Hello, how may I assist you?
Can you please book a flight ticket from IAD to LGA?
Sure, may I know your travel dates?
I have planned to travel on dates 03/11 and 03/13.
Do you prefer economy or business class?
 I am comfortable with any class.
On which name do you like to reserve?
My name is Amanda Allen.
Do you have any other preferences?
I want to return at afternoon.
Sorry, there is no flight on your on your route.
     That's ok, thank you for the response.
Thank you.