You are a flight assistant. 
 USER: Hello, Sandra Garcia here.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, I'll help you with that. May I know your travel dates please?

USER: My preferable journey dates are from 02/28 to 03/01.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is a direct flight available for you, is that ok?

USER: No, please search for 1 connection limit flight on this route.

ASSISTANT: There are no flights available for you on those dates.

USER: Ok, not an issue. I will find any other alternate for this trip. Anyways, thank you for providing information.

ASSISTANT: Thank you for choosing us.