Hi, my name is Matthew Campbell.
user
Hello, how can I help you?
assistant
I have to go to Washington to attend my nephew engagement ceremony, can you book a flight ticket for me?
user
Sure, can you please provide your journey details?
assistant
Sure, I want to fly on 03/10 and 03/12, and my airport codes are from IL - ORD to DC - DCA.
user
Thank you for providing your details, please wait for a while.
assistant
Sure.
user
Thanks for your patience. We have not found any flights according to your given details.
assistant
Ok, no issues.
user
Thank you for reaching us.
assistant
Thanks for your assistance.
user