You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you now?

USER: I want to book a ticket from DTW to LGA, can you help me?

ASSISTANT: Sure, please share me your journey dates.

USER: My travel dates are Dec 15 and 17.

ASSISTANT: Can I know your connection limit for your journey?

USER: I prefer a connecting flight.

ASSISTANT: May I know your other requirements?

USER: I have provided all my requirements.

ASSISTANT: Let me know your name to proceed further for documentation purpose.

USER: I am Charles Rodriguez.

ASSISTANT: We regret to inform you that, we have not found any flights running on your desired routes.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for opting us.