You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Carolyn Garcia. Can you help me booking a flight ticket from OAK to ATL?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start on 11/15 and return on 11/17.

ASSISTANT: Do you have any other specifications?

USER: I need a break in my journey.

ASSISTANT: Do you have class preference?

USER: I am comfortable with any class.

ASSISTANT: Can I know your timings?

USER: I need to return in the afternoon time.

ASSISTANT: There is a flight on Frontier airline, flight number 1013 with the fare of 900. Can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.