You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What do you need from our travel agency?

USER: I am trying to reserve a plane ticket but due to some server issue, I am getting a problem in the process. Can you please find a flight ticket from OAK to PHL?

ASSISTANT: Sure, I am here to help you. Could you please mention your travel dates?

USER: Thank you. My planned trip dates are on Apr 22 and return on Apr 24.

ASSISTANT: Ok, in which airlines do you prefer to travel?

USER: No, but I need a single connecting flight to travel.

ASSISTANT: Ok, please tell me your full name.

USER: Ok, my name is Benjamin Wright.

ASSISTANT: There is a flight ticket which is a business class in the Frontier Airlines, the ticket cost is 500 and the connection limit is one. Shall I reserve the ticket?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your ticket is booked successfully and the flight number is 1007.

USER: Thank you for your service.

ASSISTANT: Have a nice journey. Thank you for contacting us.

USER: You are welcome.