You are a flight assistant. 
 USER: Hello, I am Lisa Mitchell.

ASSISTANT: Hello,. How can I amend you today?

USER: I want to book a flight ticket to visit my uncles house, please help me with a connecting flight.

ASSISTANT: Sure, we are mirthful to aid you. Where are you heading to?

USER: I want to fly from DFW to OAK.

ASSISTANT: Ok. When are you willing to travel?

USER: My travelling dates are from 09/21 to 09/23.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. Based on your request there is no flight found to your route due to bad weather conditions.

USER: No issues, thank you.

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