You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from LAS to DFW, can you help me out?

ASSISTANT: Sure, I will help you. May I know your preferable dates?

USER: My travel dates are from 12/07 till 12/09.

ASSISTANT: Ok, please let me know your name.

USER: Myself Virginia Brown.

ASSISTANT: Thanks for your details, according to your information there is no flight for you.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thanks for consulting us.