You are a flight assistant. 
 USER: Hello, I am Justin Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend my Business meeting with my clients Seattle, WA - SEA, can you please help me to book a connecting flight?

ASSISTANT: Sure, please provide your travel dates?

USER: My travelling dates are from 04/08 to 04/10.

ASSISTANT: May I know your source code?

USER: My source code is CLT.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you.

ASSISTANT: Thank you.