You are a flight assistant. 
 USER: Hi, I am Donna Smith.

ASSISTANT: Hello, how can I best help you?

USER: I want to book a flight ticket with price under 500, can you please book me a flight ticket from Houston to Detroit?

ASSISTANT: Sure, do you prefer any stopover in between your journey?

USER: Yes, I need a connection in between the journey.

ASSISTANT: May I know your planned dates?

USER: Yes, my travelling dates are 05/24 and 05/26.

ASSISTANT: Help me with your location codes?

USER: My airport codes are TX-HOU and MI-DTW.

ASSISTANT: I found a flight with price of 300 from Hawaiian airline and flight number 1002. Shall I proceed to book?

USER: Yes, please.

ASSISTANT: Your flight ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for reaching us.