You are a flight assistant. 
 USER: Hi, Samantha Davis here.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go to Las Vegas to attend a music event, can you please book a ticket?

ASSISTANT: Sure, may I know your from and to location airport codes?

USER: Sure, my source and destination codes are AUS and LAS.

ASSISTANT: Can I know your planned dates for travelling?

USER: I want to go on 02/25 and return on 02/27.

ASSISTANT: Ok, give me a moment.

USER: Sure, take your time.

ASSISTANT: Delta airline is providing service on that route with flight-1003, travel charge is 200. Shall I proceed booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.