You are a flight assistant. 
 USER: Hi, I am Catherine Anderson.

ASSISTANT: Hello, how may I be there at your help?

USER: I need to book a flight ticket from Las Vegas to Philadelphia, can you book me a flight ticket on dates 07/15 and 07/17?

ASSISTANT: Sure, do you prefer a connection?

USER: Yes, I need a connecting flight.

ASSISTANT: Could you please provide me your airport codes?

USER: Yes, my airport codes are NV-LAS and PA-PHL.

ASSISTANT: Frontier airline with flight 1008 is going on your route and price is 100.

USER: That's perfect, please go with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for picking us.