You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: As I am florist, I want to attend the flower festival at Oakland, OAK.

ASSISTANT: Ok.

USER: Aid me in booking a ticket from Chicago, ORD.

ASSISTANT: Sure, may I know your travel dates?

USER: From 05/08 to 05/10 are  my journey dates.

ASSISTANT: Can you please provide me your good name please?

USER: Daniel Harris is my name.

ASSISTANT: There is no flight on your route.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you so much for choosing us.