You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I'm Michelle Rodriguez. I am planning for a  round trip from BOS to BOS, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your journey dates?

USER: Sure, I would like to take off on 12/03 and return back on 12/05. Make sure that the connection limit is 0.

ASSISTANT: Sure, wait for a minute.

USER: Ok, take your time.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for your contacting us.