You are a flight assistant. 
 USER: Hello, Nancy White here.

ASSISTANT: Hello, how may I assist you?

USER: I have a concert to attend at Los Angeles. Can you help me in booking a ticket from CLT to LAX?

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

USER: I am planning to travel on dates 10/10 and 10/12.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Spirit airlines with fare 100. Shall I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1008.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.