You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Robert Miller here.

ASSISTANT: How can I aid you today?

USER: Can you help me to find a flight from ORD to LAS?

ASSISTANT: Sure, I need to know your preferable dates?

USER: My travelling dates are 09/01 and 09/03.

ASSISTANT: Please wait for some time.

USER: Sure.

ASSISTANT: There is a flight with AA airline having airfare is 200 and 1 connection limit. Can I proceed to booking?

USER: You can proceed.

ASSISTANT: The ticket has been reserved.

USER: Thanks for your help and information.

ASSISTANT: Thank you for reaching us.