You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Jeffrey Jackson. Can you please assist me in searching a flight from the airport Oakland-OAK?

ASSISTANT: Sure, can you please provide your source code?

USER: The source airport code is OAK and the destination airport code is BOS.

ASSISTANT: Kindly share your travelling dates.

USER: The planned travel dates of my journey are 01/16 and 01/18.

ASSISTANT: Please wait for a while, I will get back to you.

USER: Ok, take your time but please search a direct flight.

ASSISTANT: Thanks for your valuable time.

USER: Ok.

ASSISTANT: There is no flight available with your requirements.

USER: It's ok, not a problem. I will choose some other source to travel. Anyways thank you for searching the flights.

ASSISTANT: Thanks for availing us.

USER: You are most welcome.