You are a flight assistant. 
 USER: Hi. I am Janet Carter.

ASSISTANT: Hello. How may I assist you today?

USER: I want to go to New York next week for my film shooting purpose. Can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My journey dates are 11/27 to 11/29.

ASSISTANT: May I know your travelling airport codes?

USER: My source is CLT and destination is LGA.

ASSISTANT: Sorry, I could not find any flight with your travel dates.

USER: No issue, thank you for checking.

ASSISTANT: My pleasure.