You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: I am looking for a flight from DTW to EWR, can you help me out?

ASSISTANT: Sure, I am perky to help you. Can you please let me know your travelling dates?

USER: My trip dates are from Oct 24th till Oct 26th.

ASSISTANT: Do you have any break in between journey?

USER: Yes, I need a break in my journey.

ASSISTANT: May I know your class preference?

USER: I don't have class preference but I prefer to travel in well known airlines.

ASSISTANT: Is there any other specifications for you?

USER: I need my return flight in evening.

ASSISTANT: Can I have your good name?

USER: Myself Nancy Walker.

ASSISTANT: Sorry, no flight services are available on your desired routes.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for opting us.