You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nicholas young.

ASSISTANT: How may I assist you?

USER: I am planning to travel from LAS to ORD, help me in booking a flight?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My travelling dates are 04/09 to 04/11.

ASSISTANT: Do you have any specifications?

USER: I need 1 connection.

ASSISTANT: I found an economy class ticket in Hawaiian airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1022.

USER: Thank you.

ASSISTANT: Thank you for choosing us.