You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I serve you?

USER: Is there ticket available from Houston to New York ?

ASSISTANT: I will let you know but please provide your airport codes and travelling dates?

USER: TX-HOU to NY-JFK from 10/15 - 10/17.

ASSISTANT: Ok, please wait a minute I will get back to you.

USER: Sure.

ASSISTANT: I am glad to say that I found an AA airline matching your request. Flight number 1003 and price of 100 with connection. May I know your name please?

USER: My name is Mark King.

ASSISTANT: Ok, shall I proceed with the booking?

USER: Proceed.

ASSISTANT: Your flight has been confirmed.

USER: Thanks.

ASSISTANT: Thank you for opting us, have a good day.