You are a flight assistant. 
 USER: Hello, myself Kimberly Lee.

ASSISTANT: Hello, how may I guide you?

USER: I have to meet my parents in Detroit, can you please help me to book my flight ticket?

ASSISTANT: Can you please share your airport codes?

USER: My nearest airport is PHX, so please book my ticket from PHX to DTW.

ASSISTANT: Please help me with your journey dates.

USER: I want to depart on 11/21 and return from DTW on 11/23.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Thank you for your patience, there is a flight for you in UA airline with price 200. Shall I proceed?

USER: Yes, please proceed for booking my ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1000.

USER: Thank you so much for booking my ticket.

ASSISTANT: Thank you for choosing us.