You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Patricia Lewis here.

ASSISTANT: I hope you are doing well Lewis.

USER: Can you make my reservation from MSP to LAX?

ASSISTANT: Can you please tell your travelling dates?

USER: My travelling dates are from 06/04 to 06/06.

ASSISTANT: Sorry, there are no flight available with your requested details. Thank you and have a nice day.

USER: Thanks.