You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: I am Catherine Adams. I am planning to travel from HOU  to PHL, help me in booking a flight?

ASSISTANT: Sure, we are gleeful to help you. When are you planning to make your journey?

USER: My travelling  dates are Dec 15 to Dec 17.

ASSISTANT: Ok, do you need any break in between journey?

USER: Yes, I need 1 connection.

ASSISTANT: Is there any other specifications for you?

USER: My price limit is upto 500 only.

ASSISTANT: Ok, please wait for a while. I will check the availability and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, we are unable to provide flights on your journey routes, due to bad weather conditions.

USER: Ok, thank you.

ASSISTANT: Thank you for availing us.