You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

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

ASSISTANT: Sure, will help you in booking the ticket. May I know your travelling dates please?

USER: I want to start on Jan 16 and return on Jan 18.

ASSISTANT: Can I know your preferences?

USER: I need a connecting flight.

ASSISTANT: Do you need any specifications?

USER: No.

ASSISTANT: Can I know your name please?

USER: Betty Lopez here.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.