You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to travel from IAH to HOU, can you help me?

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

USER: My trip dates are 08/30 and 09/01.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Sarah Carter.

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

USER: That's ok, Thank you.

ASSISTANT: Thank you for contacting us.