You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to fly from PHL to OAK. Can you check the flight availability on that route?

ASSISTANT: Sure, when are you willing to travel?

USER: Sure, my planned travel dates are 10/01 and 10/03.

ASSISTANT: May I know your name for the booking process?

USER: Sure, Betty Hernandez here.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with single connection.

ASSISTANT: Let me know your other specifications?

USER: I am comfortable with business class.

ASSISTANT: Sorry, no flights were available at this moment.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for opting us.