Hi.
user
Hello. How can I help you?
assistant
I'm Charles Carter. I want to go for an industrial tour conducting by our college management, can you please book me a ticket from IAD to OAK?
user
Ok, Can you mention your trip dates?
assistant
Sure, I want to fly on 06/17 and back on 06/19.
user
Do you have any connection limit?
assistant
Yes, I need single connection flight.
user
Ok,wait for some time.
assistant
Sure, take your time.
user
Unfortunately there is no flights found on your detsils. Thanks for connecting us.
assistant
That's alright.
user