You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket from IAH to MSP?

ASSISTANT: Sure, can you help me with your dates?

USER: Sure, my planned trip dates are from Dec 01 to Dec 03.

ASSISTANT: Do you need any connections?

USER: Yes, I need a break in between my journey.

ASSISTANT: Are there any other preferences?

USER: I would like to return in the afternoon.

ASSISTANT: May I know your name?

USER: Myself Donald Taylor.

ASSISTANT: Sorry, there is no flight found with your details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.