You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Patrick Phillips, can you help me booking flight from CLT to DEN?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: My travelling dates are 01/26 and 01/28.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Provide flight with connection 1.

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

USER: Oh! It's ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us, have a great day.