You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Mary Allen from Los Angeles. Could you please help me in flight ticket booking process from LAX to IAH?

ASSISTANT: Sure, may I know your journey dates?

USER: Thank you, I want to take off on July 08 and please confirm my return ticket also on July 10.

ASSISTANT: Ok, do you need a halt in between your journey?

USER: Yes, I want 1 halt in between my journey.

ASSISTANT: Do you have any class preference?

USER: Yes, I want business class flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Oh! It's ok no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.