You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Phillips.

ASSISTANT: How may I assist you?

USER: I am planning to have a round trip from New York, can you please book me a ticket from JFK to JFK?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to depart on July 07 and would like to return on July 09.

ASSISTANT: Do you have any specification?

USER: I need a ticket fare under 200 for this trip.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1008. Shall I book this ticket?

USER: Please book my ticket in this airlines.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.