You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I address you?

USER: I am Linda Lopez. I would have to perform in Fun fair exhibition in Denver with my friends from Oakland. Can you please help me for booking?

ASSISTANT: Sure, please share your travelling dates?

USER: My planned dates are 11/09 and 11/11.

ASSISTANT: May I know your source and destination?

USER: I would like to deviate from CA-OAK to CO-DEN.

ASSISTANT: Thanks for providing your details, no flights found with your required details.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us, have a nice day.