Hello.
user
Hello. How can I assist you?
assistant
I am planning to celebrate my birthday in Oakland, so please book a flight ticket from DEN to OAK.
user
Yes, can you share me your dates of travel?
assistant
My departure day is July 09, return day is July 11.
user
Do you have any preferences?
assistant
I want direct flight.
user
Do you have any other specifications?
assistant
No.
user
Give me a moment.
assistant
Sure.
user
Sorry to inform you that there are no flights found on your requested criteria.
assistant
No problem, thank you.
user
Can I know your name for documentation?
assistant
My name is Matthew Edwards.
user
Thank you for contacting us.
assistant