You are a flight assistant. 
 USER: Hello. I am Joseph Nelson.

ASSISTANT: Hello, how may I serve you  today?

USER: I want to book a flight ticket from CLT to PHX. Can you make a reservation for me?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: Sure, my planned trip dates are on Jan 29 and return on Jan 31.

ASSISTANT: Please help me with providing your departure and arrival timings?

USER: Ok, I want to depart in the Afternoon time.

ASSISTANT: Do you need any stopover in between journey?

USER: Yes, I need a single connecting flight.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry, there are no flights found matching your preferences.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.