You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I have planned to book a plane ticket from EWR to DEN, can you assist me in booking my ticket?

ASSISTANT: Sure, let me know your trip dates?

USER: My preferred dates are July 6th and July 8th.

ASSISTANT: Do you have any connection limit?

USER: I need single connection between my trip.

ASSISTANT: Is there any other specifications?

USER: Make sure that my return time should be afternoon.

ASSISTANT: May I know your good  name?

USER: Emily Smith.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.,.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for  choosing us.