You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from DEN to OAK to attend workshop, can you help me in booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I am departing on June 04 and return on June 06.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Can I know your name?

USER: My name is Carolyn Rodriguez.

ASSISTANT: May I know your specifications?

USER: I do not have any other specifications.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.