You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me to book my ticket from SFO to LAS?

ASSISTANT: Sure, may I know your trip dates?

USER: My travel dates are Aug 12 and Aug 14 respectively.

ASSISTANT: Do you have any other requirements?

USER: Make sure that I need a single connecting flight.

ASSISTANT: Ok, can you please let me know your good name?

USER: Larry Collins here.

ASSISTANT: There is a flight of american airline, flight number 1003 with the fare of 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.