You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Pamela Perez.

ASSISTANT: How may I serve you?

USER: I need to book a connecting flight to New York from Las Vegas. Can you help me with it?

ASSISTANT: Could you please let me know your airport codes?

USER: My codes of airport are LAS and EWR.

ASSISTANT: Do you have any price preference?

USER: It should not exceed 1000.

ASSISTANT: May I know your journey dates?

USER: I will start on 10/09 and end on 10/11.

ASSISTANT: Thanks for providing information, please give me some time.

USER: Sure.

ASSISTANT: Unfortunately there are no flights found with your specified details.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for opting us.