You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: This is Emily Baker. I would like to fly from Orlando FL-MCO, can you please aid me in booking a flight ticket to Charlotte NC-CLT?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My trip dates are 06/08 and 06/10.

ASSISTANT: I regret to inform you that there is no flight in your route. Sorry for inconvenience caused.

USER: Ok, no worries at all. Thank you for your service.

ASSISTANT: Thank you for reaching us.