Hi.
user
Hello. How may I help you?
assistant
I would like to meet my friend on his birthday, can you please book the flight ticket from DEN to EWR?
user
Ok, may I know your travelling dates please?
assistant
I will depart on 09/13 and return on 09/15.
user
May I know your name?
assistant
My name is Richard Roberts.
user
Sorry to inform you, there is no flight available for you.
assistant
Not an issue, anyway thank you for checking.
user
Richard Roberts, most welcome.
assistant