You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you?

USER: My friend invited me to his new house, So I am planning to go Las Vegas. Can you do the reservation?

ASSISTANT: Sure, I am here to assist you. May I know your travelling dates?

USER: Dates are 03/18 and 03/20.

ASSISTANT: Do you have any price limit?

USER: Price should not cross 500.

ASSISTANT: Help me with the source and destination codes.

USER: My airport codes are EWR-LAS.

ASSISTANT: Thank you for your details, please be on hold.

USER: Sure.

ASSISTANT: Thank you for being waiting. I found a direct flight with the flight number 1022. Shall I proceed to book?

USER: Please do not proceed.

ASSISTANT: May I know your name?

USER: I need a connecting flight. Steven Lee here.

ASSISTANT: Thank you for reaching us Steven Lee.

USER: Thank you for quick service.