You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

USER: I am Cynthia Campbell. I need to fly from LAX to LAS to meet my friend, can you please book a flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are 01/18 to 01/20.

ASSISTANT: We found a flight on Delta airline, flight number as 1017 with the fare of 1100.

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.