You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Melissa Collins, I want to book a flight from ATL to IAH for short vacation. Can you book a flight for me?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: I will fly on June 12th and return on June 14th.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your specific timings of your journey?

USER: I want my return flight in evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found a business class in Spirit airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Please proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.