You are a flight assistant. 
 USER: Hello. Sandra Allen here.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend my brother's wedding.Can you book a ticket from LAS-PHX?

ASSISTANT: Sure, kindly share your travel dates.

USER: My planned travelling dates are 03/20 and 03/22.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with maximum connection of 1.

ASSISTANT: Is there any other specifications?

USER: Make sure that, my return time should be in evening only.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No issues, thank you for the information.

ASSISTANT: Thanks for reaching us.