You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend my cousin wedding in SEA, can you please help me in booking a flight ticket from OAK?

ASSISTANT: Sure, let me know your travelling dates?

USER: I would like to fly on Mar 07 and return on Mar 09.

ASSISTANT: Do you have any connection limit?

USER: I need a direct airline.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I know your name?

USER: Myself Frank Clark.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for availing us.