You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Edward Martin from Denver.

ASSISTANT: How may I assist you?

USER: I need to attend an interview at Charlotte. Can you help me in booking a ticket from DEN to CLT?

ASSISTANT: Sure, please help me with your planned journey dates.

USER: My preferred journey dates are 10/06 and 10/08.

ASSISTANT: Please hold on a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in Hawaiian airlines with price 100. Can I book your ticket?

USER: Yes, please proceed for booking the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.