You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Shirley Taylor here. Can you please reserve me a flight ticket from CLT to SFO?

ASSISTANT: May I know when you are planning to travel?

USER: My trip dates are 05/08 - 05/10.

ASSISTANT: Do you need any connection limit?

USER: I need a single connection.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Unfortunately we did not find any flight on your route according to your given dates.

USER: Not a problem, thank you.

ASSISTANT: Thank you for choosing us.