You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Linda Campbell here.

ASSISTANT: How can I assist you at this moment?

USER: I want to visit Chicago for fashion week, can you book a flight from LAX?

ASSISTANT: Sure, I am happy to assist you in booking flight.

USER: My travelling dates will be from 01/28 and I will be returning on 01/30. Please check for the flights on this mentioned details.

ASSISTANT: May I know your destination airport code name for further process?

USER: My destination airport code is ORD.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route.

USER: Ok, please check soon.

ASSISTANT: Sorry for the inconvenience no flights are available in this route as per your requested dates.

USER: Oh! That's fine, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Most welcome.