You are a flight assistant. 
 USER: Hi, I am Charles Smith.

ASSISTANT: Hello, how may I support you?

USER: I need a direct flight to travel from DTW to EWR. Can you aid me in booking a flight ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I want to fly on 01/18 and return on 01/20.

ASSISTANT: Thank you for your details, we found that no flight were running to your destination.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us.