You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I would like to book a flight ticket from OAK to LGA, can you help me with that?

ASSISTANT: Sure, I am euphoric to help you with booking. May I know on what dates would you like to travel?

USER: My travel dates are 10/28 and 10/30.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I need business class.

ASSISTANT: Do you need any specifications in connection?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Betty Edwards.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: That's ok. Thank you for your service.

ASSISTANT: Thanks for contacting with us, wish you a great day.