Hello.
user
Hello. How may I help you?
assistant
Can you help me to book a flight ticket from LGA to DEN?
user
Sure, I am here to assist you. May I know your name?
assistant
I am Dorothy Lewis.
user
Thank you. May I know your travel dates?
assistant
My travel dates are Nov 20 and Nov 22.
user
Thank you. Please wait for a while.
assistant
Sure.
user
Sorry, there is no flight available on your preferred travel dates.
assistant
No problem, thank you for the information.
user
You are welcome and thank you for choosing us.
assistant