Hello.
user
Hello, how may I assist you?
assistant
I am Elizabeth Campbell. Can you please book a flight ticket from LGA to DCA?
user
Sure, may I know your travel dates?
assistant
Sure, I need to travel on dates of Feb 01 and Feb 03.
user
At what time do you like to travel?
assistant
I would like to return in afternoon time.
user
Sorry, there is no flight on your route.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you.
assistant