You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to go to Oakland in this week so can you please help me in flight ticket booking process from LGA to OAK?

ASSISTANT: Sure, when do you want to travel?

USER: Thank you for your response, I want to take off on Jan 04 and book my return ticket also on Jan 06.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I will prefer connecting flight.

ASSISTANT: Ok, Do you have any other preferences?

USER: I want to take off in afternoon time.

ASSISTANT: Thank you for providing details, No flights were found with your given details.

USER: That's ok, no problem.

ASSISTANT: Ok, May I know your name?

USER: Sure, my name is Paul Hernandez. Thank you for your information.

ASSISTANT: Thank you for opting us.