You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Jerry Evans here. Can you please reserve me a flight ticket from PHL to PHX?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My trip dates are 09/09 - 09/11.

ASSISTANT: Do you have any connection limit?

USER: I prefer a single connection.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.