You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Smith.

ASSISTANT: How may I support you?

USER: I planned to attend for a meeting in LAS, can you please help me to book a flight ticket from PHX?

ASSISTANT: Sure, can I know your travelling dates?

USER: I prefer to travel on Mar 13 and Mar 15.

ASSISTANT: Let me know your connection limit.

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you need any other requirements?

USER: I planned to depart in evening and return back in afternoon.

ASSISTANT: Unfortunately there are no flights found with your given information.

USER: Ok, problem.

ASSISTANT: Thank you.

USER: Thank you for your time.