You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Donald Wilson here. I am planning to travel from HOU to LAS, can you help in booking?

ASSISTANT: Sure, I can help you Donald. Can you please provide me your travel dates?

USER: My itinerary dates are from 02/29 to 03/02. Please I need a connecting flight.

ASSISTANT: Sorry Donald, there are no flights available with 1 connection.

USER: No problem, thanks a lot for checking.

ASSISTANT: You are welcome, have a nice day.