You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you help me to book a connecting flight?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to proceed further.

USER: My name is Lisa Nelson.

ASSISTANT: May I know your location airport codes?

USER: My airport codes are OAK and MSP.

ASSISTANT: Can you provide me your trip dates?

USER: My travel dates are Aug 26 and Aug 28.

ASSISTANT: Please provide me your requirement.

USER: I would like to depart in the afternoon time.

ASSISTANT: Sorry Lisa Nelson, there is no flight in your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.