You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me to book a flight from IAH to LAX?

ASSISTANT: When you are willing to travel?

USER: I want to travel on June 6 and need to return on June 8.

ASSISTANT: May, I know your good name?

USER: I am Raymond Miller.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.