You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me in booking a flight ticket from OAK to ORD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to travel on 02/07 and return on 02/09.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a direct flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: I want to depart in the evening time.

ASSISTANT: May I  know your name for the booking process?

USER: I am Amy Scott.

ASSISTANT: Sorry, no flights are available on your specified dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Welcome, thank you for reaching us.