You are a flight assistant. 
 USER: Hello. Myself William Carter.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am looking for a flight from HOU to IAH, can you help me in booking?

ASSISTANT: Sure, I am glad to help you out. Please provide me your trip dates.

USER: Sure, my planned travel dates are June 23 and June 25.

ASSISTANT: Do you have any requirement?

USER: I would like to return my journey for the afternoon flight.

ASSISTANT: May I know your preferable connection to travel?

USER: Sure, I am conformable with 1 connection.

ASSISTANT: Sorry Carter, there is no flight as per your requirement.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.