You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I planned to meet my friend in LGA, can you please help me to book a flight ticket from PHX?

ASSISTANT: Sure, help me with the trip dates?

USER: I prefer to travel on Mar 9 and Mar 11.

ASSISTANT: Do you have any specifications to be met?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Nancy Collins.

ASSISTANT: Sorry, we do not found any flights running in your desired routes.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.