Hi.
user
Hello, how can I assist you?
assistant
Could you please help me to book a flight ticket from LGA to EWR?
user
May I know your travel dates?
assistant
My trip dates are Apr 12 and Apr 14.
user
Do you prefer connecting flight?
assistant
I need  a single connecting flight.
user
Do you have any other specifications?
assistant
I want to return in the evening.
user
May I know your good name?
assistant
I am Andrew Hall.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Not a problem, thank you for the information.
user
Thank you for reaching us.
assistant