You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what service do you want from our flight agency?

USER: George Perez here. I need to reach Oakland to spend my vacation holidays with my family so please help me with flight ticket booking.

ASSISTANT: Ok, I will check the flight for you. Have you planned the travel dates, if yes please provide those dates?

USER: Sure, I have planned my travel dates as 12/08 and 12/10.

ASSISTANT: Ok, which airfields do you prefer to travel?

USER: Sure, I need to depart from LGA and return from OAK.

ASSISTANT: Ok, please hold on for a minute. I will get the flight details.

USER: Sure, please make sure that connection 0.

ASSISTANT: Sorry, there are no flights having a connection limit 0 in this route LGA to OAK.

USER: Oh! It is sad to hear. Anyway thank you for your valuable time.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: Most welcome.