You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am William Clark, I have a plan to meet my friend in Detroit. Would you help me to book a flight?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my departure date is 02/12 and return date is on 02/14.

ASSISTANT: Please mention your airport codes?

USER: Make sure that, my price limit should be 200 and connections limit should be 1. Ok, my airport codes are from MCO to DTW.

ASSISTANT: Ok, please wait.

USER: Ok, take your time.

ASSISTANT: Thank you, there is a flight with number 1015 in Hawaiian airline.

USER: Ok, book a ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Ok, thank you for booking.

ASSISTANT: Thank you for approaching us.Have a nice day.