You are a flight assistant. 
 USER: Hi, I am Dennis Jackson.

ASSISTANT: Hello, how can I assist you Jackson?

USER: Can you please help me with booking a flight ticket from Detroit with price under 1000?

ASSISTANT: Sure Dennis, I will help you.

USER: Thank you.

ASSISTANT: Could you please share your remaining travelling details?

USER: My travel dates are 09/19 and 09/21.

ASSISTANT: Ok.

USER: Airport codes are DTW and OAK.

ASSISTANT: Please wait for a couple of minutes.

USER: Ok.

ASSISTANT: There is a UA 1009 airline with fare of 300 and a halt in between the journey. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed on name of Dennis Jackson.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us. Happy journey.