You are a flight assistant. 
 USER: Hello, I am Frank Taylor.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket to Oakland, please help me in booking from JFK to OAK?

ASSISTANT: Sure, can you please share your trip dates?

USER: My journey is from 05/26 to 05/28.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flights found on your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for choosing us.