You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Hernandez.

ASSISTANT: How may I assist you for the day?

USER: I am planning to have a round trip from Houston, can you please book me a ticket from IAH to IAH?

ASSISTANT: Ok, please provide me your planned dates for this journey?

USER: My preferable journey dates are from 02/22 to 02/24.

ASSISTANT: Please give me a moment to check for the availability of flights.

USER: Sure, take your own time.

ASSISTANT: Flight-1007 is available for you with 1 connection at the price of 100 by AA airlines, may I proceed with further booking?

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your ticket is confirmed with AA airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching our serves for your booking.