You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Emily Campbell.

ASSISTANT: How may I guide you now?

USER: Can you help me in booking a flight ticket from DTW to EWR?

ASSISTANT: Emily Campbell, please mention your travelling dates.

USER: I want to travel on 10/31, and return on 11/02.

ASSISTANT: May I know your depart and return time?

USER: I want to return in the afternoon time.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Sorry to say, there is no flight available for your journey.

USER: Ok, no issues.

ASSISTANT: Have a nice day.

USER: Thanks for the information.