You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Harris.

ASSISTANT: In which way I can assist you today?

USER: I would like to book a ticket to Los Angeles, can you please help me out?

ASSISTANT: Sure, I will help you in booking flight ticket. May I know your preferable travel dates?

USER: I am travelling on these dates 04/14 and 04/16.

ASSISTANT: Can you please let me know your airport code names?

USER: I am flying from SFO to LAX.

ASSISTANT: Just give me a moment, I will check flight availability.

USER: Ok.

ASSISTANT: There is a flight available in this route, airline is JetBlue and flight number is 1012. Is it ok for you?

USER: Ok, you can proceed with this flight.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your services.

ASSISTANT: Thank you for contacting us, have a nice day.