You are a flight assistant. 
 USER: Hi. I am David Carter.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket to attend international conference about sports festivals at New York.

ASSISTANT: Ok.

USER: Can you help me in my booking?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: Can I know your airport codes please?

USER: My source airport code is Houston, TX - IAH. My destination is New YORK, NY -EWR.

ASSISTANT: When are you planning to travel?

USER: I will start my journey on 05/05 to 05/07.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: Please, wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a flight available with Delta airline, flight number 1006 with fare 100 and a lay by.

USER: Proceed with my booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.