Hello, I am Helen Clark.
user
Hello, how may I aid you today?
assistant
Owing to an emergency, I would like to book a direct flight to Denver, CO - DEN. Will you help me to book a flight on 11/24?
user
Sure, we will help you.
assistant
Thanks.
user
When would you like to return from Denver?
assistant
I intend to return on 11/26.
user
Can you please let me know your boarding point?
assistant
My boarding point is MN - MSP.
user
Thank you for sharing your details, please hold on for  a moment.
assistant
Sure.
user
Thank you for your patience. Sorry to inform you that, we did not find any flights matching your essentials.
assistant
OK, no worries. Thank you.
user
Thank you for reaching us, have a good day.
assistant