You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Taylor.

ASSISTANT: How may I aid you?

USER: I want to travel from HOU to LAX. Can you book a flight ticket for me?

ASSISTANT: Sure, let me know your journey dates?

USER: I want to travel in the flight in July on 11 and 13.

ASSISTANT: Do you need any halt in between your journey?

USER: I am looking for a direct flight.

ASSISTANT: Do you need any specifications?

USER: No.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no flights found on your routes.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thanks for reaching us, have a nice day.