You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to reserve my ticket from Los Vegas, my preferable airport codes are from LAS to  IAD. Can you help me with booking?

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to start my journey on 01/31 and return back on 02/02.

ASSISTANT: Ok, wait moment please.

USER: Sure, I will wait.

ASSISTANT: There is a connecting flight in JetBlue airline, can I book it?

USER: Sure, you can book it.

ASSISTANT: Your ticket has been booked with flight number 1010.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for approaching us. May I know your name for documentation purpose.

USER: Sure, myself Kenneth Nelson.

ASSISTANT: Thank you for your information.