You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me book a flight ticket for my round trip from San Francisco, CA - SFO, on the name of Jerry Parker?

ASSISTANT: Sure, may I know your destination airport code?

USER: It is a round trip.

ASSISTANT: May I know the travel dates?

USER: I intend to travel on 02/29 and 03/02.

ASSISTANT: Do you have any specification?

USER: I prefer a connecting flight.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1003. Shall I book this ticket?

USER: Go ahead for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the booking.

ASSISTANT: Thank you so much.