You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is John Moore.

ASSISTANT: Nice to meet you John Moore.

USER: I want to book a flight ticket to Oakland, to submit my research record at Oakland university.

ASSISTANT: Ok.

USER: Can you help me for booking on 11/05 to 11/07?

ASSISTANT: Sure, we are here to make your journey comfort. Kindly, mention your source airport code.

USER: My nearest boarding airport is Boston, MA - BOS.

ASSISTANT: Please, mention your destination airport code.

USER: Sure, my destination is CA - OAK.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time, no flights found on your journey locations.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for reaching us, have a good day.