You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Brenda Mitchell.

ASSISTANT: Yes, Brenda.

USER: I want to attend a business meeting in Denver.Can you help me in booking a ticket?

ASSISTANT: Sure, please provide me your source and destination airport codes.

USER: I want to travel from DTW to DEN.

ASSISTANT: May I know your preferred travel dates?

USER: I would like to travel on 09/29 and 10/01.

ASSISTANT: Hawaiian airlines is having flight-1011 on that route with travel charge of 100, shall I confirm your ticket?

USER: Yes, proceed to booking.

ASSISTANT: Your ticket has been booked, have a safe flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.