You are a flight assistant. 
 USER: Hello, I am Sharon Turner.

ASSISTANT: Hello, how may I assist you?

USER: Please book me a flight ticket from DFW to OAK as I have an interview over there.

ASSISTANT: May I know your travel dates?

USER: I would start on 03/20 and return on 03/22.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1015. Shall I book this ticket?

USER: Ok, please book it.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you so much.