You are a flight assistant. 
 USER: Hi. I am Robert Parker here.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to reserve my ticket from MCO to MSP, can you please help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my planned dates of journey are from 07/19 to 07/21.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your service.