You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

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

USER: My journey dates are from Aug 26 to Aug 28.

ASSISTANT: May I know your connection limit?

USER: Usually I prefer direct flight, If it is not there please proceed with single stopover flight.

ASSISTANT: Is there any class preference for you?

USER: I am ok with any class.

ASSISTANT: Do you have any other specifications?

USER: My departure time is morning.

ASSISTANT: Your good name please.

USER: My name is Andrew Brown.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.