You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I planned to meet my friend in MSP, can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure, I am happy to help you with that. Can I know your planed trip dates?

USER: I prefer to travel on 12/01 and 12/03.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your name?

USER: I am Michelle Anderson.

ASSISTANT: Sorry to say that, there is no flight available based on your travelling dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.