You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

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

ASSISTANT: Sure, may I know your planned trip dates?

USER: My travel dates are Nov 1 and Nov 3.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connection flight.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the morning.

ASSISTANT: May I know your good name to proceed further?

USER: My name is Mary Roberts.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us.