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