Hi.
user
Hello.
assistant
Lisa Gonzalez here.
user
How can I help you?
assistant
Please search flights on these routes IAD to OAK?
user
Sure, may I know your travel dates please?
assistant
I would like to go on 04/22 and return on 04/24.
user
Please be on hold.
assistant
Ok, carry on.
user
Sorry to inform you that there are no flights available for you on those dates.
assistant
No problem, thank you so much.
user
Thank you for choosing us.
assistant