You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I am Dorothy Hernandez. Can you please find a flight for me from Chicago to Denver?

ASSISTANT: Sure, I will help you with that. Can you please provide your planned dates of journey?

USER: Thank you. My planned travel dates are Jan 18 and Jan 20.

ASSISTANT: Please provide respective airport codes of your journey.

USER: The airport codes are ORD and DEN.

ASSISTANT: Please be on hold for sometime.

USER: Ok, take your time. Please make sure that the price limit is 1000 or less.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: You are welcome, thank you for reaching out here.