You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: This is Nicholas Hill. I want you to book a flight with fare 5000 and connection should me 1.

ASSISTANT: OK Hills, can I know your journey details.

USER: Sure. My preferable dates are 06/28 to 06/30.

ASSISTANT: OK.

USER: My travelling airport codes are from EWR to AUS.

ASSISTANT: I found a flight for you with single connection and price is 300.

USER: Book it.

ASSISTANT: I have booked a ticket for you with flight number 1019 and airline is Delta.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.