You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nicholas Evans.

ASSISTANT: Evans, how can I aid you today?

USER: Can you help me to book a flight from LAS? Which is a round trip.

ASSISTANT: Sure, I will help you with booking, please share your travelling dates?

USER: My trip dates are 01/09 and 01/11.

ASSISTANT: Do you have any requirements?

USER: Yes, my price limit is 200.

ASSISTANT: I found a flight for you that AA airline with connection 1 price 100 as per your details, can I proceed to booking?

USER: Yes, proceed.

ASSISTANT: Your ticket is confirmed by flight number 1026.

USER: Thank you for your help.

ASSISTANT: You are welcome.