You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: Sharon Moore is my name. Please help me out in booking the ticket from OAK to PHL.

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My trip dates will be Apr 21 to Apr 23.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Can you please mention your connection limit?

USER: I need to travel in a connected flight.

ASSISTANT: Is there any other preferences in your journey?

USER: No.

ASSISTANT: We found a connecting flight with Delta airlines, flight number 1006, price is 200 in economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.