You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher Jones. I want to book a flight ticket to New York to visit central park. Please help me out.

ASSISTANT: Sure, may I know your airport codes?

USER: My source code is PHL. Destination code is JFK.

ASSISTANT: Please share me your travelling dates.

USER: My travelling dates are from 01/21 to 01/23.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1026. Shall I book this ticket?

USER: Please go with booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the reservation.

ASSISTANT: Thank you.