You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Michael Miller here. Can you find a flight for me from LAS to ORD, to meet my parents who are living in Chicago.

ASSISTANT: Ok, may I know your travelling dates?

USER: Ok, my journey dates are from Sept 20 to 22.

ASSISTANT: May I know your depart and arrival timings?

USER: Yes, I want to departure in the afternoon time.

ASSISTANT: Do you want connecting flight?

USER: Yes.

ASSISTANT: Ok, please wait.

USER: Sure, get back with good airlines.

ASSISTANT: Sorry, no flights available on your route.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.