You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Lisa Scott. I would like to depart in the morning from SFO. Can you please help me in booking the flight ticket from SFO to PHX?

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

USER: My travel dates are 04/15 and 04/17.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I need a single connection flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.