You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to make a journey from IAD to LAS. Can you please help me with the booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I want to travel on June 20 and need to return on June 22.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Your good name please.

USER: Sarah Rodriguez here.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found an airline: Hawaiian, flight number: 1024 and price is 100 with one connection.

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.