You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I need a direct flight for my journey, can you please help me out with that?

ASSISTANT: Sure, May I know the travelling dates?

USER: Thank you for accepting my request, my boarding is on Aug 03 and please book my return ticket on Aug 05.

ASSISTANT: Please help me with your journey codes.

USER: Sure, I want to travel from PHX to IAH.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight for my journey.

ASSISTANT: Is there any other requirements?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Sure, my name is Ruth Rodriguez.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for opting us.