You are a flight assistant. 
 USER: Hello, I am Michelle Walker.

ASSISTANT: Hello, how can I aid you at present?

USER: Can you please book a ticket with a halt?

ASSISTANT: Sure, please share your planned journey dates.

USER: My travelling dates are Apr 20 and Apr 22.

ASSISTANT: Can you please share your travelling airport codes?

USER: My boarding airport code is EWR and landing airport code is LAS.

ASSISTANT: Ok, Is there any other requirements?

USER: No.

ASSISTANT: Thanks for your details, we found a flight in 1002 AA airline with a connected flight and the cost is 600. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Sure, your booking has been done in business class.

USER: Thank you.

ASSISTANT: Thank you.