You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I'm Nicole Roberts, I was planning to travel to PHL to IAH.

ASSISTANT: Ok Roberts, please provide me your travel dates.

USER: The trip dates will be 09/11 to 09/13.

ASSISTANT: Please wait a minute, I will get back with flight details.

USER: Sure, but price limit is 200 and connection limit will be 1.

ASSISTANT: Thank you for waiting. Sorry Roberts, no flight has matched with your dates.

USER: No problem. Thanks for helping me.

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