You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you find me a flight from Houston in afternoon?

ASSISTANT: Sure, please share your planned travel dates?

USER: I plan to travel on July 28 and return on July 30.

ASSISTANT: Can you please share your airport codes?

USER: My source point is HOU and my destination is PHX.

ASSISTANT: Do you have any connection limit?

USER: I prefer a direct flight.

ASSISTANT: Can I have your name please?

USER: My name is Rebecca Gonzalez.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.