You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning.

USER: My name is Jacob Thomas.

ASSISTANT: Thomas, how can I assist you today?

USER: I am a movie freak and would like to visit the Hollywood walk of Fame at Los Angeles. Can you find any flights available from DCA to LAX?

ASSISTANT: Sure, let me know your travel dates.

USER: I am travelling on 02/19 and return to home on 02/21.

ASSISTANT: Please wait for a moment, let me check for the available flights.

USER: Sure.

ASSISTANT: There is a flight available from AA airlines, shall I proceed for booking your ticket?

USER: Please book the ticket.

ASSISTANT: Thomas, your ticket is booked successfully and your flight number is 1005.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.