You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Benjamin Jones. I want you to make my flight reservation from DTW to PHX. Can you please do that for me?

ASSISTANT: Ok, may I know your desired travelling dates?

USER: Sure, I have to depart on Apr 19th and I will return in the morning on Apr 21st.

ASSISTANT: Can you please let me know your depart and arrival timings?

USER: I already mentioned you.

ASSISTANT: May I know your connection limit?

USER: I prefer for a single connection flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no flights found on you route.

USER: Sad to hear that. Anyway, thank you.

ASSISTANT: Thank you for reaching us.