You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Will you help me in booking the flight ticket from PHX to OAK?

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferable journey dates are Mar 28 and Mar 30.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Ok, please share your name.

USER: Myself Melissa  Hernandez.

ASSISTANT: Sorry, there are no flights found on your name in our records.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for choosing us.