You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Davis.

ASSISTANT: How can I aid you at this moment?

USER: I want to book a ticket from LAS to LAS to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: I am departing on 07/21 and return on 09/23.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Based on your information, I have found a flight with 0 connection with the fare of 200 provided by Spirit airlines. Shall I proceed with this?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1021.

USER: Thank you for your help.

ASSISTANT: You are welcome Sandra Davis.