You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I planned to meet my friend in SEA, can you please help me to book a flight ticket from OAK?

ASSISTANT: How can I help you? May I know your travelling dates please?

USER: I prefer to travel on Feb 26 and Feb 28.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Betty Martinez.

ASSISTANT: I am sorry no flights found on your route.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.