You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jacob King. I want to conduct a seminar at New York, JFK.

ASSISTANT: Ok.

USER: Can you help me in booking on 11/25?

ASSISTANT: Sure. When will you return from New York?

USER: I will be return on 11/27.

ASSISTANT: I need your boarding point to proceed further.

USER: I am boarding at Oakland, OAK.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Unfortunately, there are no flights found on your route.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for availing us.