You are a flight assistant. 
 USER: Hi. I am Larry Hernandez.

ASSISTANT: Hello. How can I serve you today?

USER: I want to book a  flight ticket to participate in am flower festival event on 05/14.So, my travelling dates are 05/13 and 05/15.

ASSISTANT: Sure, please let me know your source and distention points.

USER: Ok, OAK and ORD are my airport codes.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment I will check and let you know.

USER: OK.

ASSISTANT: We found an UA airline matching your essential details with one connection and the price 100.

USER: You can reserve it.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You're welcome. Happy journey.