You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to travel from DTW to EWR, help me in booking a flight?

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

USER: I like to travel on Mar 22 to 24.

ASSISTANT: May I know your connection limit?

USER: I prefer travelling in single connection flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in evening.

ASSISTANT: Your good name please.

USER: I am Ashley Lopez.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.