You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Parker.

ASSISTANT: How can I assist you at this moment?

USER: I am looking for a flight from IAH to EWR, can you render me in booking the flight ticket?

ASSISTANT: Sure, I am gleeful to help you in booking the flight ticket.

USER: Thank you.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: I need your travel dates to move further in booking.

USER: Ok, my travel dates are from 09/24 and 09/26.

ASSISTANT: Ok, thank you for the information.

USER: My pleasure to provide you all my travel details.

ASSISTANT: Sorry Parker for the inconvenience that caused. There are no flights available for your desired dates.

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

ASSISTANT: Thank you for reaching us.