You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I'm Patricia Wilson.

ASSISTANT: Nice to meet you Patricia.

USER: There was a business meet in LAX, I want to start immediately from DEN. Could you please check the availability?

ASSISTANT: Ok, please let me know your dates to travel.

USER: My trips starts from 11/03 to 11/05.

ASSISTANT: Sorry for the inconvenience, there is no flight according to your details.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for choosing us.