You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Stephanie Adams. I need to book a flight ticket from MN - MSP to TX - HOU. Please help me in booking a flight ticket.

ASSISTANT: Sure Adams, can I know the travel dates please?

USER: My travel dates are from 11/27 to 11/29.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available on your dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.