You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Green.

ASSISTANT: How can I assist you for today?

USER: I am planning to book a ticket with price 200, can you please help me out?

ASSISTANT: Yes, I can help you with that. Could you share me your travelling dates?

USER: I would like to travel on 10/08 and return back on 10/10.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: My airport codes are ORD to LAS.

ASSISTANT: Give me a moment, I will check for your requirement.

USER: Sure.

ASSISTANT: I have found a flight ticket for you with a price of 100 and 1 connecting flight. Can I proceed to booking?

USER: Yes, you can proceed the booking.

ASSISTANT: Your ticket is booked with Spirit airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.