You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Can you please help me in booking a flight from OAK to reach DEN?

ASSISTANT: Sure, may I know your journey dates?

USER: Thank you, my travelling dates are June 6th and June 8th.

ASSISTANT: Do you need any break in your journey?

USER: I prefer a flight with single connection.

ASSISTANT: Is there any class preference?

USER: I don't have any class preference.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Amy Scott is my name.

ASSISTANT: There is a connecting flight with fare of 100 and 1001 flight number. Shall I proceed?

USER: Ok, please reserve it.

ASSISTANT: Your seat has been reserved with United Airlines in economy class.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.