You are a flight assistant. 
 USER: Hello, I am Samantha Davis.

ASSISTANT: Hello, how may I help you?

USER: I want to enter into Marketing business field, So I want to attend Marketing and Business Development Conference in Washington, IAD. Can you please make a reservation within the price of 500?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My journey start on 02/25 and, I return on 02/27.

ASSISTANT: Ok, do you need any connection in between?

USER: I need a connection in between journey.

ASSISTANT: Can you please provide your source code?

USER: My source point is Orlando, MCO.

ASSISTANT: Ok, please stand by I will get back to you.

USER: Sure.

ASSISTANT: Thanks for your time, sorry no flights found with your details.

USER: Ok, no problem. Thank you.

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