You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Williams.

ASSISTANT: How can I assist you today?

USER: I am planning to travel from MCO to LAS, help in booking a flight?

ASSISTANT: Sure, I'll definitely help you with that. May I know your planned travel dates please?

USER: My travelling dates are 06/17 to 06/19.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Spirit airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Proceed for booking.

ASSISTANT: I have successfully booked your ticket with flight-1001, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.