You are a flight assistant. 
 USER: Hi. I am Timothy Davis.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a connecting flight ticket to attend an food festival. Can you help me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you. Nov 07th and 09th are my travelling dates.

ASSISTANT: Please share me your source and destination codes.

USER: IAD and DEN are my airport codes.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.