You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sandra Phillips.

ASSISTANT: How may I help you?

USER: I want to give a surprise to my father by booking a ticket from ATL to AUS, as he is going to travel for the first time. Can you help me in booking flight ticket?

ASSISTANT: Sure, please help me with your journey dates.

USER: Sure, he will be travelling on 10/14 to 10/16.

ASSISTANT: Please give me a minute, I will check the availability of flights.

USER: Sure, I will stand by.

ASSISTANT: Thank you for your waiting, I found a flight for you in Hawaiian airlines with price 100. Shall I book the ticket?

USER: That's great, you can confirm it.

ASSISTANT: Ok, your ticket has been booked with flight number 1010.

USER: Thank you for helping.

ASSISTANT: Thank you for choosing us.