You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want the flight ticket from MA-BOS to AZ-PHX.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your depart and return dates of travelling?

USER: The travelling dates are from 04/08 to 04/10.

ASSISTANT: There is no availability of flights from any airline on those dates.

USER: No problem, I will check for the another flight.

ASSISTANT: May I know your name?

USER: My name is Patricia Parker.

ASSISTANT: Thank you for contacting us, Parker.

USER: Thank you for your service.