You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Actually, I have planned for the trip to Detroit but I don't know how to book a flight ticket. Can you please help me to book a flight ticket from New York city?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you for your response. My planned travel dates are Nov 18 and Nov 20.

ASSISTANT: Let me know your nearest airport codes for the ticket booking?

USER: The nearest airports to my desired locations are EWR and DTW.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I would like to travel in a single connecting flight. So, please check the flight availability with this requirement.

ASSISTANT: May I know your name for the booking process?

USER: My name is Kimberly Mitchell.

ASSISTANT: Do you have any another specifications on your journey?

USER: No, I didn't have any other specifications. Anyways thank you for asking.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: Oh! It is sad to hear. Anyhow thank you for your valuable time.

ASSISTANT: Welcome, thank you for reaching us.