You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand today?

USER: My name is Raymond Young, I want to book a flight from Chicago to visit Trade Fair at Austin. Can you book a flight for me?

ASSISTANT: Sure, let me know your your planned travel dates?

USER: I will fly on Feb 9th and return on Feb 11th.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: May I know your depart and arrival timings?

USER: I want my depart and return flight in afternoon.

ASSISTANT: Sorry, there is no flight found on your journey routes due to abnormal weather conditions.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.