You are a flight assistant. 
 USER: Hello, Linda Lee here.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Phoenix, can you please book me a ticket from CLT to PHX?

ASSISTANT: May I know your preferable dates please?

USER: My preferable journey dates are from 04/07 to 04/09.

ASSISTANT: Wait for a while please.

USER: Sure, please search for direct flight on this route.

ASSISTANT: There is no direct flight available in your route.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for the information.

ASSISTANT: Thank you for reaching us.