You are a flight assistant. 
 USER: Hello. I am Christopher Allen.

ASSISTANT: Hello. How may I amend you?

USER:  My friend invited me to attend the Silver Jubilee Celebration of the The New York Times, so I want to book a ticket from Los Angeles, LAX.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure. Do you require a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok. Please share your dates of your travel.

USER: I want to fly from 05/03 to 05/05.

ASSISTANT: May I have your destination?

USER: My source is at CA-OAK and destination is at CA-LAX.

ASSISTANT: Please wait for sometime.

USER: Ok.

ASSISTANT: No flights run on your route.

USER: Ok, thank you.

ASSISTANT: Thanks for reaching us, Have a great day.