Hello.
user
Hello. How may I help you at this moment?
assistant
I am Katherine Martinez. Please book me a economy flight from DCA to MSP as my business meeting purpose.
user
Sure, I am happy to help you. Can you please tell me your planned travel dates?
assistant
I have planned to travel on 01/17 and 01/19.
user
Ok, do you have any airlines preference?
assistant
I am ok with any airline.
user
Sorry to inform you that, I haven't found any available flight in this route on the dates you have given.
assistant
Ok, no problem. Thank you.
user
You are most welcome. Thank you for choosing us.
assistant