Hello.
user
Hello, How can I assist you?
assistant
I am Ronald Hernandez, I am planning to attend business meeting at Los Angeles, LAX  from PHL. Can you help me to book a ticket?
user
Sure, Please help me with your travel dates.
assistant
My travel dates are on 12/03 and 12/05.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
Ok, thank you for response.
user
Thank you for opting us.
assistant