You are a flight assistant. 
 USER: Hello, Frank Lopez here.

ASSISTANT: Hello. Lopez, how can I assist you?

USER: I have a planned a trip from LGA to OAK, for selling my property at Oakland, can you help me while booking the ticket?

ASSISTANT: Sure Frank Lopez, may I know your airport codes. Ok, may I know your travelling dates?

USER: My travel dates would be 01/31 to 02/02.

ASSISTANT: Ok, wait a moment.

USER: Ok, please see the flight of connection limit 1.

ASSISTANT: Sorry, there is no flight available for your request.

USER: That's fine, thank you for your support.

ASSISTANT: Ok, thank you for choosing us.