You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning this weekend to meet my project manager at Phoenix. Can you please help me in reserving the ticket from DEN to PHX?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to travel on June 4 and again I will return back on June 6.

ASSISTANT: Do you have any requirements?

USER: I want to return in the afternoon.

ASSISTANT: Let me know your name?

USER: Myself Carol King.

ASSISTANT: Can I know your connection limit?

USER: I am planning to travel in direct flight.

ASSISTANT: Sorry to say, no flight is available for you.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.