You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I want to travel from LGA to SFO, could you book my flight ticket?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My itinerary dates are Sept 18 and 20.

ASSISTANT: Ok, could I have your name please?

USER: Thomas Perez here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1019 of Hawaiian airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Please book my ticket.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 20:00 hours and the arrival time is 7:00 hours.

USER: Thank you for assisting me.

ASSISTANT: You are welcome, have a great day.