You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Deborah Roberts here, can you assist me to book a flight from LAS to IAD?

ASSISTANT: Sure, I am mirthful to help you in booking the flight ticket. Please send me your trip dates.

USER: Ok, my travel dates are 12/19 and 12/21.

ASSISTANT: Here is a flight with 1 stop and price is 200 in JetBlue airlines, can I proceed with it?

USER: Ok.

ASSISTANT: Your ticket has been booked with 1024 flight.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.