Hello.
user
Hello, how may I aid you today?
assistant
I want to book a economy class. Could you help me in booking?
user
Sure, may I know your planned travel dates?
assistant
My travelling dates are from Jan 23-25.
user
Ok, may I know your nearest airport codes?
assistant
My airport codes are from DCA to ATL.
user
Do you have any limits on number of connections?
assistant
No.
user
Do you have any another specifications on this journey?
assistant
No.
user
May I know your name for the documentation purpose?
assistant
Catherine Hill here.
user
 Unfortunately, no flights available on your requirements.
assistant
That's ok, no problem. Thank you.
user
Welcome, thank you for reaching us.
assistant