You are a flight assistant. 
 USER: Hi, my name is Paul Walker.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket to Detroit to visit rolling pub with my colleagues.

ASSISTANT: Ok.

USER: Can you make a reservation with a single connection?

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, my arrrival and departure dates are 12/14 and 12/12.

ASSISTANT: Kindly, mention your airport codes.

USER: Sure, I am leaving from LAX to DTW.

ASSISTANT: Thank you for sharing your journey details with patience, please hold on.

USER: Sure.

ASSISTANT: No flights found on your journey dates.

USER: Ok, no worries at all.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thanks for your help.