You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me booking a flight ticket from LAX to IAH?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I will start on 05/04 and return on 05/06.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a direct flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Joshua Nelson.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Sure.

ASSISTANT:    Thank you for your time, sorry no flights found with your details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.