You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me in booking flight ticket from PHX to ORD to meet my family.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My trip dates are Mar 15 to Mar 17.

ASSISTANT: May I know your name further process?

USER: Sharon Campbell here.

ASSISTANT: Do you have any other specifications?

USER: My depart should be in the afternoon.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thanks for approaching us.