You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am William Smith.

ASSISTANT: Ok.

USER: I am planning to meet my cousin in Detroit, so please help me in booking a connecting flight.

ASSISTANT: Sure, I will assist you in this. Can you please share the trip dates?

USER: I want to fly on 01/17 and return on 01/19.

ASSISTANT: Ok. May I have your trip codes?

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

ASSISTANT: What is your budget limit?

USER: I can afford up to 200.

ASSISTANT: We found Hawaiian airline which matches your request. Flight number is 1023.

USER: You can proceed to booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, Have a nice day.