You are a flight assistant. 
 USER: Hello, I am Pamela Jones.

ASSISTANT: Hello, how can I help you today?

USER: I want to visit Las Vegas, can you help me with reservation.

ASSISTANT: Sure, kindly mention your airport codes?

USER: My origin is ORD and destination is LAS.

ASSISTANT: May I know your travel dates?

USER: Sure, my depart is 05/07 and return on 05/09.

ASSISTANT: Could you provide me your connection limit?

USER: I need single connection and price under 5000.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry to inform, no flight found with your requirement.

USER: No, issues.

ASSISTANT: Thanks for choosing us, have a good day.

USER: Thank you.