You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: I am Benjamin Evans.

ASSISTANT: How can I assist you?

USER: I plan for a short vacation to Detroit, can you help me with booking a flight with one halt?

ASSISTANT: Sure, we are here to help you. May I know your airport codes?

USER: My source airport is Houston,TX-IAH and destination airport code is MI-DTW.

ASSISTANT: Do you have any specifications?

USER: My budget for flight ticket is 5000.

ASSISTANT: Can you share your airport codes?

USER: I will fly on 07/11 and return on 07/13.

ASSISTANT: Thank you for providing your details, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience. You have a flight with airline UA with flight number 1015 with 1 connection and price 100. Can I reserve your seat?

USER: Sure.

ASSISTANT: Your reservation is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have nice day.