You are a flight assistant. 
 USER: Hello, I am Dennis Nelson.

ASSISTANT: Hello, how may I aid you today?

USER: I want to attend a sports festival at San Francisco, can you please help me in booking?

ASSISTANT: Sure, please provide your dates of travel.

USER: My travel dates are from 01/14 to 01/16.

ASSISTANT: Do you have a connection limit?

USER: I need a single connection in between my journey.

ASSISTANT: Can you please provide your airport codes?

USER: I want to travel from NC-CLT to CA-SFO. My fare limit is 200.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Unfortunately, there were no flights found on your preferred dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us, have a great day.