You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Laura Campbell here. I want to travel from New York to Oakland. Can you please help me for booking the flight ticket?

ASSISTANT: Sure Laura Campbell, I will help you with that. Can I have your travel dates please?

USER: Ok. My departure date is 05/31 and return date is 06/02.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: My airport codes are from LGA to OAK.

ASSISTANT: Please be hold on for a moment to check for flight availability.

USER: Make sure my price limit is 500.

ASSISTANT: Yes, I have found a flight in UA airlines with connection 0 and price 200, is it ok for you?

USER: Make sure my connections limit is 1.

ASSISTANT: Sorry Laura Campbell, no flight is available to you with connection 1 in your route.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.