Hello.
user
Hello, How can I aid you?
assistant
Myself Emily Nelson. I need you to book a flight ticket from EWR to DEN.
user
Sure, May I know your travelling dates?
assistant
October 4 and 6 are my planned travel dates.
user
Do you have any connection limit?
assistant
 I need a break in my journey.
user
Do you have any specific depart and arrival time for this trip?
assistant
I wish to return in the morning.
user
Is there any class preference?
assistant
I prefer a business class flight.
user
Thanks for your details, there are no flights found in business class.
assistant
That's ok. Thank you.
user
Thank you.
assistant