Hello, I am Andrew Hernandez.
user
Hello, How can I help you today?
assistant
I want to book a flight ticket from Oakland, CA - OAK, on 04/23 to attend my cousin's marriage in Charlotte, NC - CLT. Can you help me with that?
user
Sure, Can you help me with your return journey date?
assistant
Sure, it should be on 04/25.
user
Ok, please wait a minute.
assistant
Ok.
user
Thank you for waiting. Sorry, I did not found any flight based on your given details.
assistant
Ok, thank you.
user
Thank you, Have a great day.
assistant