You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Gonzalez.

ASSISTANT: How may I assist you?

USER: I would like to visit an arts expo at New York, can you help me to book a flight ticket from SEA?

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

USER: My destination airport code is EWR.

ASSISTANT: When do you like to move from SEA?

USER: I am planning to depart on Feb 19.

ASSISTANT: When do you like to return on?

USER: I intend to return on Feb 21.

ASSISTANT: Do you have any specification?

USER: Price should not exceed 1000.

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

USER: Yes, you can book it.

ASSISTANT: Your ticket has been reserved with the name of Ronald Gonzalez.

USER: Thank you.

ASSISTANT: Thank you.