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 JFK?

ASSISTANT: Sure, can you share me your trip dates?

USER: My travelling dates will be on June 13 to June 15.

ASSISTANT: Do you have any connection limit?

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

ASSISTANT: Can I have you good name?

USER: Robert Smith here.

ASSISTANT: Sorry, no flights are available on your desired route.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.