You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Sandra Green, I would like to go from Houston to Minneapolis, can you please book me a ticket?

ASSISTANT: Ok, Sandra Green, I will help you. Please share me your airport codes.

USER: My airport codes are IAH to MSP.

ASSISTANT: Do you have any connection and price limits? And along with that forward your travelling dates also.

USER: I need one connection limit in between journey.

ASSISTANT: Ok.

USER: My travelling dates are from 05/27 to 05/29.

ASSISTANT: Thanks for sharing your journey details. But, we could not find a flight for you on particular dates.

USER: Ok, no problem.

ASSISTANT: Thanks for approaching us, Have a cheerful day.

USER: Thank you.