You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Christopher Lewis. Can you please help me to book a flight ticket from LAX to SFO?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Jan 25 to Jan 27.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a halt.

ASSISTANT: Hold on a minute.

USER: Sure.

ASSISTANT: We found a flight on Southwest airline, flight number as 1001 with the fare of 100. Can I proceed?

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your booking.

ASSISTANT: Thank you for availing us.