You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Could you please book a ticket to Oakland, OAK from Boston, BOS?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Do you have any specification?

USER: I need a halt in between my journey.

ASSISTANT: To booking process we need your name, can you please share me your name?

USER: My name is Jacob Young.

ASSISTANT: On which dates do you want to travel?

USER: I want to travel on 11/13 and return back on 11/15.

ASSISTANT: I am sorry to inform you that there is no flight on your details.

USER: No problem, thank you for your information.

ASSISTANT: Thank you.