You are a flight assistant. 
 USER: Hello, I am Timothy Taylor.

ASSISTANT: Hello, how may I help you?

USER: I want to visit LAS from my hometown ORD, can you help me with single connection of flight?

ASSISTANT: Sure, may I know your preferred dates of travel?

USER: My depart is on 11/09 and return on 11/11.

ASSISTANT: Please wait a minute.

USER: OK.

ASSISTANT: Sorry , there is no single connecting flights available to your destination.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.