You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you now?

USER: Can you please book a flight ticket for me in any well known airline?

ASSISTANT: Sure, I will help you to book a flight ticket in well know airline.

USER: Thank you.

ASSISTANT: Please share me your source and destination airport codes?

USER: My airport codes are PHX to IAH.

ASSISTANT: Please mention when you planned to travel?

USER: I want to travel in Nov from 4th to 6th.

ASSISTANT: Do you like to travel in connecting flight or direct flight?

USER: I need a lay off in my journey.

ASSISTANT: Please help me with your class preference?

USER: I am fine with any class.

ASSISTANT: Is there any other requirement related to booking?

USER: No, thanks for asking.

ASSISTANT: Thank you for the details, I found a connecting flight 1006 of airline Delta, fare is 100 and class is economy. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: May I know your good name to complete the booking?

USER: Samantha Gonzalez here.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us, we hope see you again.