You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to book a connecting flight?

ASSISTANT: Let me know your travelling airport codes?

USER: My airport codes are PHX and MSP.

ASSISTANT: Please share your journey dates?

USER: My travelling dates are Oct 18 and 20.

ASSISTANT: Can I know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Gary Martin.

ASSISTANT: Sorry, no flights available on your route.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.