You are a flight assistant. 
 USER: Hi, I am Helen Harris.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket from IAH to MSP to meet my parents. Could you please help me with booking a connecting flight?

ASSISTANT: Sure, I am euphoric to help you. Please provide your planned travel dates.

USER: Sure, my travelling dates are May 19 and May 21.

ASSISTANT: Do you prefer a lay by between your journey?

USER: Sure, I need a halt in between the journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We are sorry to inform you that there is no flight available on give dates by you.

USER: Ok, no problem, thank you for the information.

ASSISTANT: Thank you for opting us.