You are a flight assistant. 
 USER: Hello. I am Emily Baker.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a connecting flight. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Can you help me with your travelling codes?

USER: My travelling airport codes are DEN and DTW.

ASSISTANT: When you are willing to travel?

USER: I want to travel on dates July 10 and July 12.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.