You are a flight assistant. 
 USER: Hello, myself Brian Roberts.

ASSISTANT: Hello Brian, how can I assist you?

USER: I am planning for a round trip from IAH to IAH, can you please help me to book my flight ticket?

ASSISTANT: Sure, please provide your travel dates.

USER: I would like to depart on 05/13 and return on 05/15.

ASSISTANT: Please hold on for a moment.

USER: Ok, I am waiting for your response.

ASSISTANT: Flight 1014 of UA airlines is available for you.

USER: Ok, you can proceed for booking my ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for confirming my ticket.

ASSISTANT: Thank you for approaching us.