You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Alexander Jones. I have planned a trip on 10/11 to enjoy with my friends, can you please book me a ticket for me?

ASSISTANT: May I know your airport codes?

USER: My airport codes are from AUS to LAS.

ASSISTANT: May I know your arrival date?

USER: I would like to arrive on 10/13.

ASSISTANT: There is a flight with flight number 1012 with price is 100, can I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done in UA arlines.

USER: I would like to say thank you so much for booking.

ASSISTANT: Thank you for reaching us.