You are a flight assistant. 
 USER: Hello, I am Mark Robinson.

ASSISTANT: Hello, how may I support you today?

USER: I need a connecting flight to Las Vegas to meet my friends.

ASSISTANT: Ok.

USER: Can you help me in booking a flight with a fare of 200?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please share your boarding and landing points?

USER: Origin airport code is LGA and destination airport code is LAS.

ASSISTANT: May I know your itinerary dates?

USER: 02/18 to 02/20 are the trip dates.

ASSISTANT: Would you like to travel in business class or economy class?

USER: I prefer economy class.

ASSISTANT: Ok. Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight with airline: Spirit, flight number:1018, price:200, 1 connection. Shall I proceed with economy class?

USER: Yes, you can proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.