You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, will you please provide your preferable dates of travelling?

USER: My travelling dates are from Nov 30th to Dec 2nd.

ASSISTANT: Do you have any connection limit?

USER: I want a single connection in between my journey.

ASSISTANT: Any more specifications do you have?

USER: I want to return in the evening.

ASSISTANT: May I know your name to book a flight ticket?

USER: I am Benjamin Turner.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your requested dates of travelling.

USER: No issues. Thank you.

ASSISTANT: Thank you for approaching us, have a great day.