You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to search a flight with 0 connection limit?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Which airports do you prefer to travel?

USER: The airport codes are from CO-DEN to TX-IAH.

ASSISTANT: Ok, what are your planned travel dates?

USER: The travel dates are 10/07 to 10/09.

ASSISTANT: Ok, can I have your name please?

USER: Sure, my name is Brenda Moore.

ASSISTANT: Sorry Moore, there are no flights found with the dates you have given.

USER: No problem, thank you for your information.

ASSISTANT: You are welcome. Thank you for picking us.