You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of help are you looking for?

USER: Can you reserve me a flight ticket to reach Orlando - MCO, to attend a conference meeting?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Please help me with your dates of journey?

USER: I want to start my journey on July 30 and return on Aug 01.

ASSISTANT: Do you prefer any connection?

USER: Yes, I need to travel in a connecting flight.

ASSISTANT: Ok, please wait for a while. I will revert to you. Please provide your source airport code?

USER: I want to start from Washington - DCA.

ASSISTANT: Sorry, no flights are available to your desired locations.

USER: Ok, no problem.

ASSISTANT: Please mention your name for documentation purpose?

USER: Sure, Patrick Hall is my name. Thanks for your help.

ASSISTANT: Thanks for reaching us, have a nice day.