You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I need to attend a party meeting in SFO. Will you please book me a plane ticket from HOU?

ASSISTANT: Can I know your travelling dates?

USER: I will start on Mar 13 and return on Mar 15.

ASSISTANT: Please let me know your connection limit?

USER: I need single lay by within my route.

ASSISTANT: Can I your name please?

USER: I am Kathleen Roberts.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Sorry, no flights available on your route.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for reaching us.