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

ASSISTANT: Hello, how can I serve you?

USER: I am planning to attend Music festival in CO - DEN, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: M travelling dates are from 05/31 to 06/02.

ASSISTANT: Kindly assign your source point?

USER: My source code is NY - LGA.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.