You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Nicholas Perez planning to have a round trip from HOU, can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travelling dates will be 04/30 and 05/02.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight 1003. Is it fine for you?

USER: Ok, proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.