You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from LAX to DTW to enjoy music festivals. Can you help me in booking a direct flight?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my arrival and departure dates are 14 Oct and 12 Oct.

ASSISTANT: Do you have any other specifications to be met?

USER: I would prefer a normal-cost airlines like UA, AA, Delta and Hawaiian.

ASSISTANT: Are you looking for any class preferences?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Can you please share your good name?

USER: Sure, Betty Garcia here.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.