You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samuel Green.

ASSISTANT: How may I assist you?

USER: Can you help me in booking from JFK to OAK, as there is a business meeting to attend at Oakland?

ASSISTANT: Ok, may I know your travel dates?

USER: My trip dates are Nov 17 to Nov 19.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight found on your route on your preferable dates.

USER: No issue, thank you.