You are a flight assistant. 
 USER: Hello. I am Charles Clark.

ASSISTANT: Hello, how can I best serve for the day?

USER: I have to attend a Music Concert at Seattle, could you please help me with booking a flight ticket from OAK to SEA?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I would like to depart on Nov 9th and return on Nov 11th.

ASSISTANT: Do you prefer a connecting flight?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT: At what time do you want to depart and return on?

USER: Make sure that my return time must be afternoon.

ASSISTANT: Thank you for your details, we found a connecting flight 1017 in economy class. Shall I proceed?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed with afternoon flight.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you.