You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Could you please help me to book a ticket from LGA to IAH?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My travelling dates are on Oct 13 and Oct 15.

ASSISTANT: Do you need any connections in between your journey?

USER: I am comfortable with any connection flight.

ASSISTANT: Please let me know if you have any time concerns.

USER: No, I am okay to fly at any time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I have your good name please?

USER: My name is Benjamin Roberts.

ASSISTANT: Sorry, there are no flights available on those dates.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.