You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Hall.

ASSISTANT: How can I assist you today?

USER: I am planning to travel from DFW to DEN to meet my friend, can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Could you please share your travelling dates?

USER: My travelling dates are 08/24 and 08/26. I need a direct flight in my journey.

ASSISTANT: Sorry, no direct flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.