You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Thomas. I would like to book a flight ticket from SEA to LAS. Could you please help me out with the booking?

ASSISTANT: Sure, please provide your travel dates.

USER: I am planning to start my journey on 07/25 and return back 07/27.

ASSISTANT: Please give me a moment to check for available flights.

USER: Ok, please take your possible time.

ASSISTANT: Southwest airlines with flight 1005 is available on your route.

USER: Yes, please proceed with the booking.

ASSISTANT: Thomas, your ticket is reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.