Hello.
user
Hello, how may I render you today?
assistant
I need your help to book a flight from DEN to OAK.
user
Sure, may I know your good name?
assistant
I am Nancy Turner.
user
On which dates would you like me to book a flight ticket for you?
assistant
I want to depart on July 19 and need to return on July 21.
user
Do you have any specifications?
assistant
I need a direct flight with an economy class which departs in the morning.
user
Ok, please wait for a minute.
assistant
Sure.
user
Sorry, no flights are available on your route as per your given requirements.
assistant
Ok, no problem. Thank you for checking.
user
Thank you for choosing us.
assistant