You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please check the availability of flights in between the points Las Vegas and San Francisco?

ASSISTANT: Sure, may I know the airport codes of Las Vegas and San Francisco?

USER: Sure, my source airport code is Las Vegas, NV - LAS and destination airport code is San Francisco, CA - SFO.

ASSISTANT: Kindly assign your preferred dates of travelling.

USER: I will depart on 01/28 and return on 01/30.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: An airline Hawaiian of flight number 1024 having a halt with ticket fare 100 is available.

USER: Ok, please proceed for booking.

ASSISTANT: On which name would you like me to book a ticket?

USER: I am Linda Campbell.

ASSISTANT: Your booking has been confirmed on the name of Linda Campbell.

USER: Thank you.

ASSISTANT: Thank you for choosing us.