You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Rachel Evans here, I want to travel from LAS to IAH. Could you help me flight ticket booking?

ASSISTANT: Sure, may I know the travel dates please?

USER: Ok, my travelling dates are 09/24 and 09/26.

ASSISTANT: Ok, hold on for a moment please.

USER: Make sure that connection limit should be 1.

ASSISTANT: Sorry to say this Evans, we could not find a flight matching your criteria.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for reaching us. Have a good day.