You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Elizabeth Campbell.

ASSISTANT: Ok.

USER: Can you book a flight ticket from Las Vegas, LAS to attend an interview?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 01/25 to 01/27.

ASSISTANT: Please help me with your landing airport code?

USER: I am landing at Detroit, DTW.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a connecting flight. Price limit is 5000.

ASSISTANT: We found a direct flight with 1018 flight number. Shall I proceed?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for opting us.