You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book flight ticket to reach HOU from PHX?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are Oct 10 and Oct 12.

ASSISTANT: Ok, is there any class preference?

USER: Yes, I require business class to travel.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight to travel.

ASSISTANT: Do you need any other specifications?

USER: I do not require any other specifications.

ASSISTANT: Can I know your name please to proceed further?

USER: I am Amanda Thompson.

ASSISTANT: Sorry to inform you that there are no flight services available on your given requirements.

USER: Ok, not a problem. Thank you for your information.

ASSISTANT: Thanks for reaching us.