Hi.
user
Hello, how may I help you?
assistant
I am Betty Campbell. I am planning to travel from DCA to MSP, can you help in finding a flight for me?
user
Sure, may I know your travel dates please?
assistant
My date of travelling is on 07/26 to 07/28.
user
Thanks for waiting. But I am sorry to say that presently there are no flights available.
assistant
That's ok. Thank you for your help.
user
Thank you.
assistant