Hello.
user
Hello. How may I help you?
assistant
Myself Joshua Mitchell here. I want to travel from IAD to OAK, can you help me in doing that?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
My journey dates are 06/13 to 06/15.
user
Do you have any preferences?
assistant
I need business class airline.
user
Do you have any connection limit?
assistant
I need a connecting flight.
user
Sorry for this inconvenience, I could not find any flight with your requirements.
assistant
Ok, no issue.
user
Thank you for reaching us.
assistant