You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: During summer San Francisco, CA - SFO is the best place to enjoy. So can you please book me a flight ticket?

ASSISTANT: Sure. Please provide departure code? May I know your travel dates?

USER: My origin is NV - LAS.

ASSISTANT: Ok.

USER: 05/02 and 05/04 are my travelling dates.

ASSISTANT: Ticket can be booked with airline Hawaiian, connections one. Price 100, flight number is 1021.

USER: Ok, please proceed for booking.

ASSISTANT: Please provide your name?

USER: Deborah Campbell is my name.

ASSISTANT: Ticket is booked. Thanks.