You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a ticket from OAK to SFO?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates will be on Jan 6 to Jan 8.

ASSISTANT: Do you have any connection limit?

USER: I would like to travel in a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Debra Clark here.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thanks for reaching us.