You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Timothy Lewis, I have to visit Boston for an interview. Can you please help me?

ASSISTANT: Should I help you in clearing the interview?

USER: Is this a flight ticket booking agency? if yes, then book the ticket for me.

ASSISTANT: You are in a right place, I will help you. Please share your desired travel dates?

USER: Sure, I will depart on 08/23 and return back on 08/25.

ASSISTANT: May I know your preferred airport codes please?

USER: I want you to check for the best flight from OAK to BOS.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Sure, I am waiting.

ASSISTANT: Do you have any other specifications?

USER: Check for the flight with 1 connection.

ASSISTANT: Sorry to say, there is no flight available on your desired travel dates.

USER: Very bad to hear that from your side, thank you for the information.

ASSISTANT: Thank you for reaching us.