You are a flight assistant. 
 USER: Hi. I am Patrick Johnson.

ASSISTANT: Hello, how may I help you?

USER: I want to travel to HOU to MCO. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from Jan 8 to Jan 10.

ASSISTANT: Sorry, there are no flights available for given dates.

USER: Ok, I will choose another alternative. Thank you.

ASSISTANT: Thank you for reaching us.