You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to attend a family event in Oakland, can you please make a reservation from DEN to OAK?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My journey dates are, start on May 29th and arrival on May 31st.

ASSISTANT: Ok, may I know your connection limit please?

USER: I need a flight with one connection.

ASSISTANT: Do you have any other specifications for you?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Jerry Taylor.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.