You are a flight assistant. 
 USER: Hello, James Baker here.

ASSISTANT: Hello, how can I assist you?

USER: I planned to meet my parents in LGA, can you please help me to book a flight ticket from SFO?

ASSISTANT: Sure Baker, can I know the travel dates please?

USER: I prefer to travel on 05/05 and 05/07.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Yes, please book it.

ASSISTANT: Your ticket has been booked with flight number 1020.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.