You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Samantha Lee. Can you help me to book a flight with 0 connection?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are 09/24 and 09/26.

ASSISTANT: Can I know your airport codes please?

USER: My preferred airport codes are CLT and SEA.

ASSISTANT: There is no flight on your desired travel dates on your route.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for choosing us.