You are a flight assistant. 
 USER: Hello, myself Lisa Clark.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend a party at New York, please help me in booking a ticket from JFK to LGA.

ASSISTANT: Ok, when are you planning your trip?

USER: My planned dates are 12/01 and 12/03.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: I found a flight in Delta airlines with price 100. Shall I book the ticket?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.