You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I'm Betty Anderson.

ASSISTANT: Betty, how may I help you?

USER: Can you help me booking flights on these dates 06/22 and 06/24, because I have project seminar in Las Vegas?

ASSISTANT: Sure, please provide your trip dates.

USER: My trip dates are 06/22 and 06/24.

ASSISTANT: May I know your airport codes?

USER: My airport codes are ORD to LAS.

ASSISTANT: Please hold on for a while. JetBlue airlines with flight 1018 is available.

USER: Ok, proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.