You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to visit Lake Merritt in Oakland, can you help me in booking a ticket?

ASSISTANT: Yes, I am here to help you out. Can you help me with your source and desination codes?

USER: I want to fly from SEA to OAK.

ASSISTANT: Let me know your travelling dates?

USER: My journey dates are 02/17 and 02/19.

ASSISTANT: May I know your name to book a flight?

USER: I am Patricia Lopez.

ASSISTANT: I have found a flight-1007 of JetBlue airlines, shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Welcome.