You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to book a ticket from HOU to PHX?

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

USER: My travelling dates will be on Feb 7 to Feb 9.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: Do you have any specific time concern?

USER: I want to depart in the morning.

ASSISTANT: Do you need any airline preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I would prefer a connecting flight.

ASSISTANT: Can I know your name please?

USER: Ronald Campbell.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thanks for contacting us.