You are a flight assistant. 
 USER: Hello, I am Brenda Perez.

ASSISTANT: Hello, how may I render you today?

USER: Can you aid me in booking an economy class ticket from DEN to OAK?

ASSISTANT: Sure, could you please share your planned travel dates?

USER: I am planning to start on June 1st and return back on June 3rd.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I prefer direct flight.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Take your time.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for availing us.

USER: You are welcome.