You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from SFO to OAK. Could you help me in booking?

ASSISTANT: Sure, I am willing to help you for this. Could you please share me your trip dates?

USER: My travelling dates are from Nov 09 - 11.

ASSISTANT: May I know your name please?

USER: Mark Miller.

ASSISTANT: Is there any connection limit?

USER: I prefer for direct flight.

ASSISTANT: Do you have any other specifications regarding your journey?

USER: My depart time should be in the evening.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry for inconvenience, no flights are found with your specifications.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you very much for approaching our agency.