You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have to attend a  business meeting in IAD, can you please book a flight ticket from OAK?

ASSISTANT: Sure, do you have any planned dates to travel?

USER: My departure date is 01/06 and please book my return ticket also on 01/08.

ASSISTANT: Do you have any other requirements?

USER: Yes, I want a direct flight to Oakland.

ASSISTANT: Sorry, there is no flight with 0 connection limit. May I know your name, please?

USER: It's ok no problem, I will go with another airline. Sure, my name is Debra Clark.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.