You are a flight assistant. 
 USER: Hello, I am Emma Perez.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a live music event at Charlotte, so can you avail me a flight ticket?

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

USER: I would like to fly out on 06/07 and return on 06/09.

ASSISTANT: Let me know your connections limit.

USER: I need a single connecting flight.

ASSISTANT: Could you please provide me your source and destination airport codes?

USER: My source is Detroit, MI-DTW and destination is Charlotte, NC-CLT.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, no flights found with your given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for opting us.